OFFICIAL LETTER NO.4457 / CT-TTHTNNT DATED OCTOBER 28, 2020 ON ELECTRONIC BILLING WHEN EXPORTING

DECREE 123/2020 / ND-CP REGULATING BILLING AND DOCUMENTATION

OFFICIAL LETTER NO.6550 / CT-TTHT ON TAX POLICY FOR MALFUNCTIONED PRODUCTS

OFFICIAL LETTER NO. 3501/CT-TTHT ON ADJUSTING CREATED INVOICES

OFFICIAL LETTER NO 5178/CT-TTHT ON DISTRIBUTORS SUPPORTING

OFFICIAL LETTER NO. 5424/CT-TTHT DATED OF SEPTEMBER, 01 2020 ON QUARANTINE EXPENDITURE IN COVID-19 PANDEMIC

OFFICIAL LETTER NO 2340/CT-TTHT DATED OF MAY, 07 2020 ON MAKING THE INVOICE

OFFICIAL LETTER NO. 453/CT-TTHT DATED 14, FEBRUARY 2020 ABOUT SUPPORTING TRAVEL EXPENSES ON HOLIDAY FOR THE LABORS

CIRCULAR 95764/CT-TTHT 2019 IN ACCOUNTING OF FOREIGN WORKING EXPENSES

OFFICIAL LETTER 90282/CT-TTHT DATED 2/12/2019 ABOUT USING PARALLEL ELECTRONIC INVOICES AND SELF-PRINTED INVOICES