Important Announcement Regarding VAT Declarations

Important Announcement Regarding VAT Declarations (KDV1, KDV2, KDV2B, KDV4, KDV9015) has been issued by our Presidency within the scope of the 'e-Declaration' application initiated to renew the 'Electronic Declaration Application' with new, updated, and open-source software, starting from 1/9/2025 for the August 2025 period declarations in the pilot provinces of Eskişehir and Kırıkkale, starting from 1/11/2025 for the October 2025 period declarations in the provinces of Konya and Muğla, starting from 1/1/2026 for the December 2025 period declarations in the provinces of Afyonkarahisar, Bursa, Kırıkkale, and Yalova, starting from 1/4/2026 for the March 2026 period in the provinces of Bartın, Bilecik, Karabük, Karaman, Amasya, Burdur, Bolu, Kastamonu, Niğde, and Yozgat, starting from 1/5/2026 for the April 2026 period in the provinces of İzmir, Adana, Gaziantep, and Mersin, and starting from 1/6/2026 for the May 2026 period in the provinces of Antalya, Kayseri, Manisa, and Kütahya for taxpayers liable for the specified tax types.

Within the scope of the project, in order to expand the scope of the pilot application, VAT Declarations (KDV1, KDV2, KDV2B, KDV4, KDV9015) will also be taken through the e-Declaration application starting from the June 2026 period for taxpayers liable for the specified tax types in Şanlıurfa, Diyarbakır, Mardin, Aydın, Denizli, Sinop, Samsun, Ordu, Giresun, Tekirdağ, Çanakkale, Edirne, Kırklareli, Balıkesir, Van, Muş, Artvin, Erzurum, Elazığ, Erzincan, Ağrı, Iğdır, Kars, Ardahan, Çankırı, Sivas, Çorum, Nevşehir, Zonguldak, Sakarya, Düzce, Isparta, Uşak, Aksaray, Tokat, and Gümüşhane starting from 1/7/2026.

Taxpayers liable for the specified tax types in Şanlıurfa, Diyarbakır, Mardin, Aydın, Denizli, Sinop, Samsun, Ordu, Giresun, Tekirdağ, Çanakkale, Edirne, Kırklareli, Balıkesir, Van, Muş, Artvin, Erzurum, Elazığ, Erzincan, Ağrı, Iğdır, Kars, Ardahan, Çankırı, Sivas, Çorum, Nevşehir, Zonguldak, Sakarya, Düzce, Isparta, Uşak, Aksaray, Tokat, and Gümüşhane must submit their declarations for the June 2026 and subsequent periods using the VAT Declarations titled '0015-KDV1, 4017-KDV2, 4018-KDV2B, 0016-KDV4, and 9015-KDV9015' under the '+ New Declaration' button by accessing the 'e-Declaration' application through the Digital Tax Office.

Additionally, for the taxpayers in the provinces included in the pilot application, starting from the June 2026 taxation period, if the accounting programs they use are integrated into the e-Declaration system (all information and documents required for integration have been shared with the accounting programs requesting integration), it will also be possible to submit through the 'e-Declaration' system via integration (web service).

By clicking on the icon corresponding to the user title located at the upper right corner of the main page of the e-Declaration application and following the sequence of 'Help -> e-Declaration Documents -> Start Now', detailed explanations regarding the pages of VAT declarations can be accessed.

Announced.

DIGITAL TAX OFFICE (18.06.2026)

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