The Corporate Income Tax Filing Period Has Begun

The Corporate Income Tax Filing Period Has Begun

Corporate income taxpayers must file their corporate income tax return for the 2025 accounting period electronically between 1 and 30 April 2026, via gib.gov.tr at dijital.gib.gov.tr.

Taxpayers whose accounting period is the calendar year may pay the assessed corporate income tax between 1 and 30 April 2026:

• through the Digital Tax Office and the GİB Mobile Application, using the credit/debit cards of contracted banks, by bank account transfer, or using the credit/debit cards of banks operating abroad,
• at the branches of contracted banks or through alternative payment channels (internet banking, telephone banking, mobile banking, etc.),

respectively.

To access the current Corporate Income Tax Filing Guide prepared by the Revenue Administration when filing your corporate income tax return, please click here.