2026 transaction guide for Defter-Beyan
IOP guide; It explains the new year confirmation, ledger status and the steps to be taken into consideration when sending records through the integrator.
News and updates
Tax, customs, SSI, company law and law changes. Read news compiled from official sources by choosing the category you are interested in.
Tax
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Notification regulation regarding internet advertisements has been updated
The communiqué numbered 595 changes the notification framework of digital service providers that mediate the publication of advertisements.
E-document opportunity in new generation payment recorder devices
GİB announced the framework for issuing retail sales receipts and electronic documents on the same device.
Chambers and associations: support for businesses moving to the ordinary tax regime
Communiqué 586 sets out the role of professional chambers and associations in certain taxpayers’ Defter-Beyan procedures.
The revaluation rate for 2025 was announced as 25.49 percent
The rate announced in the communiqué numbered 585 forms the basis for updating the amounts linked to this rate in the relevant legislation.