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

OFFICIAL LETTER 2719/CT-TTHT DATED 19/11/2019 ABOUT E-INVOICE RECORDING RECEIVING COSTS

OFFICIAL LETTER 88336/CT-TTHT DATED 25/11/2019 REGARDING THE BENEFIT CASH FEES FOR WORKERS

OFFICIAL LETTER 7593/CT-TTHT DATED 21/11/2019 OF THE NAM DINH TAX DEPARTMENT ON THE USE OF ELECTRONIC INVOICES

OFFICIAL LETTER 3977/BTTTT-CNTT 2019 OF CERTIFICATION OF SOFTWARE PRODUCTION AND SOFTWARE SERVICES PROVIDED BY THE MINISTRY OF INFORMATION AND COMMUNICATION

OFFICIAL LETTER 78848/CT-TTHT DATED 16/10/2019 ABOUT SUPPORT COST OF PARTY AND SOCIO-POLITICAL ORGANIZATION