OFFICIAL LETTER 1695/TCT-QLN DATED 22 APR 2016 OF GDT GUIDING INVOICE USAGE BUYING FROM TAX AUTHORITY

OFFICIAL LETTER 1421/TCT-KK DATED 06 APRIL 2016 OF GDT GUIDING VAT DECLARATION AT DEPENDENT ACCOUNTING BRANCH

OFFICIAL LETTER 1434/TCT-KK DATED 07 APRIL 2016 OF GDT GUIDING DEADLINE OF RECEIVING FORM 06/GTGT.

OFFICIAL LETTER 1277/TCT-CS DATED 28 MARCH 2016 OF GDT GUIDING ON TREATMENT FOR BUYER’S TAX CODE OF INVOICE

OFFICIAL LETTER 5536/TCT-KK DATED 23 DECEMBER 2015 OF GDT IN GUIDANCE OF VAT DECLARATION, DEDUCTION

OFFICIAL LETTER 5456/TCT-CS DATED 18 DECEMBER 2015 OF GDT GUIDING ON INVOICE PREPARATION FOR EXCHANGE RATE ADJUSTMENT

OFICIAL LETTER 5460/TCT-KK DATED 18 DECEMBER 2015 OF GDT GUIDING TO RECEIVE FORM 06/GTGT FOR NEWLY ESTABLISHED ENTERPRISES, COOPERATIVES

OFFICIAL LETTER 5593/TCT-KK DATED 25 DECEMBER 2015 OF GDT GUIDING TIME OF SUBMISSION OF FORM 06/GTGT

OFFICIAL LETTER 5004/TCT-KK DATED 26 NOVEMBER 2015 OF GDT IN GUIDANCE OF VAT FOR MISSING INVOICES OF TAX REFUNDED PERIOD

OFFICIAL LETTER 4943/TCT-KK DATED 23 NOV 2015 OF GDT GUIDING SOME TAX TREATMENTS AND ADDING TAX DECLARATION FILES