Withholding Tax (WHT) is a mechanism under Thailand’s tax system that requires the payer of certain types of income to withhold a portion of the payment and remit it to the Revenue Department on behalf of the recipient, who is legally the taxpayer. This system helps the government collect tax continuously and prevents tax evasion.
Notes:
*40(1): Income must be withheld at the progressive personal income tax rate and submitted via P.N.D. 1 monthly.
**40(4)(a): If the recipient does not have a taxpayer ID, 15% must be withheld; if they do, withhold 1%.
***40(8): Advertising = 2%; other types may be 3% or 5% as specified by the Revenue Department.
Relevant Tax Forms
*The form must be submitted online by the 15th of the following month.
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