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Which month did you pay?

The month you paid the foreign provider

What did you pay for, and how much?

One line per charge, in baht or another currency

Paid in a foreign currency? Convert it at the Bank of Thailand’s daily reference rate (Revenue Code section 9). This calculator does not fetch rates — type the rate yourself. See Bank of Thailand rates

Your P.P.36

Enter the month and an amount and the result appears straight away.

How it works

The tax base is the amount actually paid, converted to baht at the rate you enter (rate 1 for baht). Each line is rounded half-up to the satang, then the lines are added. VAT = total base × 7%, rounded to the satang. The due dates are the 7th (paper) and the 15th (e-Filing) of the month after payment, and the VAT can be claimed as input tax in the next month’s P.P.30. Withholding tax (P.N.D.54) and late-filing surcharges are not calculated.

Sources

General information, not tax advice — check with your accounting firm.