OFFICIAL LETTER NO. 3778/CT-TTHT DATED 10 DECEMBER 2018 OF THE BAC NINH TAX DEPARTMENT OF TAXATION INSTRUCTIONS ON THE USE OF BILLING FOR EXPORT OPERATION ACTIVITIES
OFFICIAL LETTER NO. 79 / TCHQ-TXNK OF JANUARY 3, 2019 BY THE GENERAL DEPARTMENT OF CUSTOMS GUIDING THE TAX POLICY FOR IMPORT GOODS FOR EXPORT PRODUCTION