Vietnam Tax ID Numbers
Vietnam PIN (PIN)
For Individuals, Entities, Example: 923456789018
The Vietnamese Personal Identification Number (PIN) is 12 digits. A PIN may be used in place of TINs of taxpayers including households, household businesses and individual businesses.
Vietnam Tax Number (MST)
For Individuals, Entities, VAT, Example: 0193456780-001
The Ma So Thue (MST) consists of 10 to 13 digits. The first two digits are the province code where the business was established. The following seven digits are a sequential number from 0000001 to 9999999. The tenth digit is a checksum calculated on the first 9 digits. The final three digits are an optional sequence from 001 to 999 indicating separate branches.
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