OFFICIAL Letter No. 6764 / CTBDU-TTHT ON GIVING AND GIFTING VOUCHER

OFFICIAL DISPATCH NO. 13135/CTHN-TTHT ON INVOICING WHEN PROVIDING GOODS AND SERVICES

OFFICIAL LETTER NO.10858 / CTHN-TTHT ON CIT AND PIT TAX FOR WORKING EXPENSES

OFFICIAL LETTER NO.2138 / CTHDU-TTHT ON RECEPTION COSTS

OFFICIAL LETTER 1354/CTHDU-TTHT ABOUT DEPOSIT INTEREST

OFFICIAL LETTER 6371/CTHN-TTHT ABOUT REPLACEMENT INVOICE FOR COMPULSORY INVOICE

OFFICE NO. 7931 / CT-TTHT DATED 12/12/2020 ON THE COST OF QUARANTINE TO PREVENT COVID -19

OFFICIAL Letter 7684 / CT-TTHT ON FOREIGN CONTRACTOR TAX (FCT)

OFFICIAL LETTER NO.7532 / CTHDU-TTHT ON ELECTRONIC INVOICES

OFFICIAL Letter No. 4681 / CT-TTHT DATED 11/04/2020 ON INVOICE USAGE