BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lookuptax//Compliance Calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Singapore tax deadlines
X-WR-CALDESC:Recurring indirect-tax filing and payment deadlines for Singa
 pore\, from lookuptax.com/compliance-calendar
X-PUBLISHED-TTL:P7D
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2026-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261031
DTEND;VALUE=DATE:20261101
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q3 2026\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2026-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261031
DTEND;VALUE=DATE:20261101
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: September 2026\nSource: Inland Revenue Authority of Sing
 apore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguid
 e_gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifi
 ed: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2026-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261031
DTEND;VALUE=DATE:20261101
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q3 2026\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2026-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261031
DTEND;VALUE=DATE:20261101
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q3 2026
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2026-11-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Oct
 ober 2026\nSource: Inland Revenue Authority of Singapore (IRAS) — https:/
 /www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-g
 st-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2026-11-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: October 2026\nSource: Inland Revenue Authority of Singap
 ore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_
 gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified
 : 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2026-12-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261231
DTEND;VALUE=DATE:20270101
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending N
 ovember 2026\nSource: Inland Revenue Authority of Singapore (IRAS) — http
 s://www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changin
 g-gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2026-12-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20261231
DTEND;VALUE=DATE:20270101
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: November 2026\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2027-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q4 2026\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: December 2026\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2027-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q4 2026\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2027-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q4 2026
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2027-02-28@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270228
DTEND;VALUE=DATE:20270301
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Jan
 uary 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https:/
 /www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-g
 st-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-02-28@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270228
DTEND;VALUE=DATE:20270301
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: January 2027\nSource: Inland Revenue Authority of Singap
 ore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_
 gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified
 : 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2027-03-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270331
DTEND;VALUE=DATE:20270401
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending F
 ebruary 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — http
 s://www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changin
 g-gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-03-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270331
DTEND;VALUE=DATE:20270401
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: February 2027\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2027-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q1 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: March 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gs
 t_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 
 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2027-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q1 2027\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2027-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q1 2027
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2027-05-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270531
DTEND;VALUE=DATE:20270601
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Apr
 il 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https://w
 ww.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst
 -accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-05-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270531
DTEND;VALUE=DATE:20270601
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: April 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gs
 t_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 
 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2027-06-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending M
 ay 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https://w
 ww.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst
 -accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-06-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: May 2027\nSource: Inland Revenue Authority of Singapore 
 (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst_
 how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 20
 26-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2027-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q2 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: June 2027\nSource: Inland Revenue Authority of Singapore
  (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst
 _how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 2
 026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2027-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q2 2027\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2027-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q2 2027
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2027-08-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270831
DTEND;VALUE=DATE:20270901
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Jul
 y 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https://ww
 w.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst-
 accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-08-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270831
DTEND;VALUE=DATE:20270901
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: July 2027\nSource: Inland Revenue Authority of Singapore
  (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst
 _how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 2
 026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2027-09-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270930
DTEND;VALUE=DATE:20271001
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending A
 ugust 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https:
 //www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-
 gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-09-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20270930
DTEND;VALUE=DATE:20271001
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: August 2027\nSource: Inland Revenue Authority of Singapo
 re (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_g
 st_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified:
  2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2027-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q3 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: September 2027\nSource: Inland Revenue Authority of Sing
 apore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguid
 e_gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifi
 ed: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2027-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q3 2027\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2027-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q3 2027
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2027-11-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271130
DTEND;VALUE=DATE:20271201
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Oct
 ober 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — https:/
 /www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-g
 st-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-11-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271130
DTEND;VALUE=DATE:20271201
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: October 2027\nSource: Inland Revenue Authority of Singap
 ore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_
 gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified
 : 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2027-12-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271231
DTEND;VALUE=DATE:20280101
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending N
 ovember 2027\nSource: Inland Revenue Authority of Singapore (IRAS) — http
 s://www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changin
 g-gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2027-12-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20271231
DTEND;VALUE=DATE:20280101
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: November 2027\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2028-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280131
DTEND;VALUE=DATE:20280201
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q4 2027\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280131
DTEND;VALUE=DATE:20280201
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: December 2027\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2028-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280131
DTEND;VALUE=DATE:20280201
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q4 2027\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2028-01-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280131
DTEND;VALUE=DATE:20280201
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q4 2027
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2028-02-29@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280229
DTEND;VALUE=DATE:20280301
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Jan
 uary 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — https:/
 /www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-g
 st-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-02-29@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280229
DTEND;VALUE=DATE:20280301
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: January 2028\nSource: Inland Revenue Authority of Singap
 ore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_
 gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified
 : 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2028-03-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280331
DTEND;VALUE=DATE:20280401
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending F
 ebruary 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — http
 s://www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changin
 g-gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-03-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280331
DTEND;VALUE=DATE:20280401
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: February 2028\nSource: Inland Revenue Authority of Singa
 pore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide
 _gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifie
 d: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2028-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280430
DTEND;VALUE=DATE:20280501
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q1 2028\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280430
DTEND;VALUE=DATE:20280501
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: March 2028\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gs
 t_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 
 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2028-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280430
DTEND;VALUE=DATE:20280501
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q1 2028\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2028-04-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280430
DTEND;VALUE=DATE:20280501
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q1 2028
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2028-05-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280531
DTEND;VALUE=DATE:20280601
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Apr
 il 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — https://w
 ww.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst
 -accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-05-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280531
DTEND;VALUE=DATE:20280601
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: April 2028\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gs
 t_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 
 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2028-06-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280630
DTEND;VALUE=DATE:20280701
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending M
 ay 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — https://w
 ww.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst
 -accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-06-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280630
DTEND;VALUE=DATE:20280701
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: May 2028\nSource: Inland Revenue Authority of Singapore 
 (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst_
 how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 20
 26-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2028-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280731
DTEND;VALUE=DATE:20280801
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q2 2028\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280731
DTEND;VALUE=DATE:20280801
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: June 2028\nSource: Inland Revenue Authority of Singapore
  (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst
 _how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 2
 026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2028-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280731
DTEND;VALUE=DATE:20280801
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q2 2028\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2028-07-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280731
DTEND;VALUE=DATE:20280801
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q2 2028
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-jan-apr-jul-oct-2028-08-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280831
DTEND;VALUE=DATE:20280901
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng January\, April\, July\, October)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in January\, April\, July or October (p
 eriods Feb–Apr\, May–Jul\, Aug–Oct\, Nov–Jan)\nPeriod: quarter ending Jul
 y 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — https://ww
 w.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-gst-
 accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-jan-apr-jul-oct
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-08-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280831
DTEND;VALUE=DATE:20280901
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: July 2028\nSource: Inland Revenue Authority of Singapore
  (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_gst
 _how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified: 2
 026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-fye-feb-may-aug-nov-2028-09-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280930
DTEND;VALUE=DATE:20281001
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (periods endi
 ng February\, May\, August\, November)
DESCRIPTION:GST-registered businesses whose quarterly periods IRAS has ali
 gned with a financial year ending in February\, May\, August or November 
 (periods Mar–May\, Jun–Aug\, Sep–Nov\, Dec–Feb)\nPeriod: quarter ending A
 ugust 2028\nSource: Inland Revenue Authority of Singapore (IRAS) — https:
 //www.iras.gov.sg/taxes/goods-services-tax-(gst)/other-services/changing-
 gst-accounting-periods\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y-fye-feb-may-aug-nov
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-09-30@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20280930
DTEND;VALUE=DATE:20281001
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: August 2028\nSource: Inland Revenue Authority of Singapo
 re (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguide_g
 st_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verified:
  2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-quarterly-2028-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20281031
DTEND;VALUE=DATE:20281101
SUMMARY:Singapore: GST F5 — quarterly GST return and payment (calendar qua
 rters)
DESCRIPTION:GST-registered businesses on the standard quarterly periods Ja
 n–Mar\, Apr–Jun\, Jul–Sep and Oct–Dec — the default for every registrant\
 , including those whose financial year ends in March\, June\, September o
 r December\nPeriod: Q3 2028\nSource: Inland Revenue Authority of Singapor
 e (IRAS) — https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/filing-
 gst/gst-filing-due-dates-and-requests-for-extension\nLast verified: 2026-
 10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-quarterl
 y
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-f5-monthly-2028-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20281031
DTEND;VALUE=DATE:20281101
SUMMARY:Singapore: GST F5 — monthly GST return and payment
DESCRIPTION:GST-registered businesses that IRAS has approved or directed t
 o file monthly — e.g. businesses likely to receive GST refunds regularly\
 , and members of the Import GST Deferment Scheme\, which requires monthly
  filing\nPeriod: September 2028\nSource: Inland Revenue Authority of Sing
 apore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/etaxguid
 e_gst_how-do-i-prepare-my-gst-return.pdf?sfvrsn=535a7393_103\nLast verifi
 ed: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-f5-monthly
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-ovr-pay-only-return-2028-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20281031
DTEND;VALUE=DATE:20281101
SUMMARY:Singapore: Simplified GST return — overseas vendors under the pay-
 only regime (quarterly)
DESCRIPTION:Overseas vendors and electronic marketplace operators register
 ed under the simplified pay-only regime for B2C remote services or low-va
 lue goods — global turnover above S$1 million and B2C supplies to Singapo
 re above S$100\,000\nPeriod: Q3 2028\nSource: Inland Revenue Authority of
  Singapore (IRAS) — https://www.iras.gov.sg/docs/default-source/e-tax/gst
 -e-tax-guide_taxing-imported-remote-services-by-way-of-the-overseas-vendo
 r-registration-regime_(1st-ed).pdf?sfvrsn=7a18d6f5_54\nLast verified: 202
 6-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-ovr-pay-onl
 y-return
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:sg-gst-invoicenow-invoice-data-2028-10-31@lookuptax.com
DTSTAMP:20261014T000000Z
DTSTART;VALUE=DATE:20281031
DTEND;VALUE=DATE:20281101
SUMMARY:Singapore: GST InvoiceNow Requirement — invoice data to IRAS
DESCRIPTION:Since 1 November 2025\, companies registering for GST voluntar
 ily within 6 months of incorporation\; since 1 April 2026\, every new vol
 untary registrant\; scheduled from 1 April 2028 for businesses applying f
 or compulsory registration and existing registrants with annual supplies 
 up to S$200\,000\, widening by size to all existing registrants by 1 Apri
 l 2031 (the legislation for these phases is still to be enacted). Oversea
 s vendors and reverse-charge-only registrants are exempt\nPeriod: Q3 2028
 \nSource: Inland Revenue Authority of Singapore (IRAS) — https://www.iras
 .gov.sg/docs/default-source/e-tax/etaxguide_gst_invoicenow_requirement.pd
 f?sfvrsn=d2828aad_35\nLast verified: 2026-10-14
URL:https://lookuptax.com/compliance-calendar/singapore#sg-gst-invoicenow-
 invoice-data
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR