OFFICIAL LETTER 22455/CTBDU-TTHT ABOUT SELLING COSTS IN FOREIGN CURRENCY

OFFICIAL LETTER 45702 ON CURRENCY AND EXCHANGE RATES ON SALE INVOICE OF GOODS COLLECTED IN FOREIGN CURRENCY

OFFICIAL LETTER 3088/CT-TTHT FOR DEDUCTIBLE EXPENSES FOR FIXED ASSETS TEMPORARILY SUSPENDED AND PAYMENTS FOR EMPLOYEES DUE TO COVID 19

OFFICIAL LETTER 1814/CTHPT-TTHT ABOUT TAX POLICY FOR UNLIMITED LEAVE DAYS

OFFICIAL LETTER 2849/CT-TTHT ABOUT TAX POLICY WITH PROMOTIONS

OFFICIAL LETTER 14626/CTBDU-TTHT ABOUT THE COST OF SUPPORT FOR COVID-19

OFFICIAL LETTER 3280/CT-TTHT ON CONTRACTOR'S TAX POLICY FOR FIXED ASSETS LEASING

OFFICIAL LETTER 4199/TCHQ-TXNK ON IMPORTED GOODS TO BUILD OFFICES FOR EPES

OFFICIAL LETTER 2638/CTBNI-TTHT ON TAX OBLIGATIONS AND INVOICING FOR AUCTIONING ASSETS FOR JUDGMENT ENFORCEMENT

OFFICIAL LETTER 17151/CTHN-TTHT ON INVOICE ISSUANCE FOR PRE-ESTABLISHMENT ENTERPRISE COSTS