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Tax calendar
Deadlines that matter to businesses, from the 2026 tax calendar of the Turkish Revenue Administration (GİB). Deadlines falling on weekends or public holidays are already shifted.
Every month's return,on its calendar date.
October 2026
- 12/10e-Ledger upload (income tax payers)Period: June 20262026-10-12
- 14/10e-Ledger upload (other taxpayers)Period: June 20262026-10-14
- 26/10Reverse-charge VAT (KDV-2)Period: September 20262026-10-26
- 26/10Withholding and social security returnPeriod: September 20262026-10-26
- 26/10Withholding return (quarterly)Period: 2026 · Q32026-10-26
- 26/10Stamp duty returnPeriod: September 20262026-10-26
- 26/10Accommodation taxPeriod: September 20262026-10-26
- 28/10VAT return and paymentPeriod: September 20262026-10-28
- 28/10VAT return (quarterly)Period: 2026 · Q32026-10-28
November 2026
- 02/11Social security premium paymentPeriod: September 20262026-11-02
- 10/11e-Ledger upload (income tax payers)Period: July 20262026-11-10
- 16/11e-Ledger upload (other taxpayers)Period: July 20262026-11-16
- 17/11Provisional tax return and paymentPeriod: 2026 · Q32026-11-17
- 25/11Reverse-charge VAT (KDV-2)Period: October 20262026-11-25
- 26/11Withholding and social security returnPeriod: October 20262026-11-26
- 26/11Stamp duty returnPeriod: October 20262026-11-26
- 26/11Accommodation taxPeriod: October 20262026-11-26
- 30/11VAT return and paymentPeriod: October 20262026-11-30
- 30/11Social security premium paymentPeriod: October 20262026-11-30
- 30/11Property tax and environmental tax, 2nd instalmentPeriod: 20262026-11-30
December 2026
- 10/12e-Ledger upload (income tax payers)Period: August 20262026-12-10
- 14/12e-Ledger upload (other taxpayers)Period: August 20262026-12-14
- 25/12Reverse-charge VAT (KDV-2)Period: November 20262026-12-25
- 28/12Withholding and social security returnPeriod: November 20262026-12-28
- 28/12Stamp duty returnPeriod: November 20262026-12-28
- 28/12Accommodation taxPeriod: November 20262026-12-28
- 28/12VAT return and paymentPeriod: November 20262026-12-28
- 31/12Opening certification of next year's booksPeriod: 20272026-12-31
- 31/12Social security premium paymentPeriod: November 20262026-12-31
January 2027
- 25/01Reverse-charge VAT (KDV-2)Period: December 2026 · draft2027-01-25
- 26/01Withholding and social security returnPeriod: December 2026 · draft2027-01-26
- 26/01Stamp duty returnPeriod: December 2026 · draft2027-01-26
- 26/01Withholding return (quarterly)Period: 2026 · Q4 · draft2027-01-26
- 28/01VAT return and paymentPeriod: December 2026 · draft2027-01-28
- 28/01VAT return (quarterly)Period: 2026 · Q4 · draft2027-01-28
February 2027
- 01/02Social security premium paymentPeriod: December 2026 · draft2027-02-01
- 25/02Reverse-charge VAT (KDV-2)Period: January 2027 · draft2027-02-25
- 26/02Withholding and social security returnPeriod: January 2027 · draft2027-02-26
- 26/02Stamp duty returnPeriod: January 2027 · draft2027-02-26
March 2027
- 01/03VAT return and paymentPeriod: January 2027 · draft2027-03-01
- 01/03Social security premium paymentPeriod: January 2027 · draft2027-03-01
- 25/03Reverse-charge VAT (KDV-2)Period: February 2027 · draft2027-03-25
- 26/03Withholding and social security returnPeriod: February 2027 · draft2027-03-26
- 26/03Stamp duty returnPeriod: February 2027 · draft2027-03-26
- 29/03VAT return and paymentPeriod: February 2027 · draft2027-03-29
- 31/03Social security premium paymentPeriod: February 2027 · draft2027-03-31
- 31/03Annual income tax returnPeriod: 2026 · draft2027-03-31
April 2027
- 26/04Reverse-charge VAT (KDV-2)Period: March 2027 · draft2027-04-26
- 26/04Withholding and social security returnPeriod: March 2027 · draft2027-04-26
- 26/04Stamp duty returnPeriod: March 2027 · draft2027-04-26
- 28/04VAT return and paymentPeriod: March 2027 · draft2027-04-28
- 30/04Social security premium paymentPeriod: March 2027 · draft2027-04-30
- 30/04Corporate tax returnPeriod: 2026 · draft2027-04-30
Source: GİB 2026 Yılı Vergi Takvimi (gib.gov.tr/vergi-takvimi) · Updated: 2026-10-20
2027 dates are a draft based on statutory periods and will be updated when GİB publishes the 2027 tax calendar.