Official Letter No. 6355/DON-QLDN1 dated 14 November 2025 issued by Dong Nai Tax Department on the use of personal identification numbers in lieu of personal tax identification numbers when issuing withholding tax certificates
According to the guidance provided in Official Letter No. 6355/DON-QLDN1, from 1 July 2025, when issuing personal income tax withholding certificates to employees, companies must use the personal identification number instead of the personal tax identification number, as stipulated in Clause 2, Article 38 of Circular 86/2024/TT-BTC dated 23 December 2024 of the Ministry of Finance.






