Keywords: Thailand, Tax, Revenue Department, Tax Filing, Corporate ID
The Corporate ID is 13 digits whilst the Tax ID is 10 digits, therefore corporate documents will need to be revised to incorporate the additional digits.
The Revenue Department will allow companies to continue to use pre-printed withholding tax certificates, tax invoices, receipts or delivery notes until 31 January 2013. However, if these documents are printed as required (i.e. not consider as pre-printed), the 13digit Corporate ID has to be used instead of the Tax ID.