Do I need an account to issue a 50 Tawi here?

No. This tool is free with no login, and your data is not stored.

Who issues a 50 Tawi?

The payer who withholds tax issues it to the payee under Section 50 Bis.

Free tool

Free 50 Tawi generator — no login

Fill in the fields, generate a Section 50 Bis withholding-tax certificate in the Revenue Department format, then print or Save-as-PDF from your browser. Your data is not stored.

Here you are the payer who withheld tax, so you must issue a 50 Tawi to the payee under Section 50 Bis of the Revenue Code — failing to do so can carry a fine of up to 2,000 baht per certificate under Section 35 of the Revenue Code.

Payer (withholder) — name *

Payer tax ID

Payee — name *

Payee tax ID

Payee is a juristic person (form P.N.D.53 — leave unchecked for P.N.D.3)

Type of income *

Date paid *

Amount paid (before VAT) *

The withholding tax is computed from this amount at the rate for the income type.

This tool is single-use — you retype each time, and we store nothing about the payer or payee. A BillsOS account saves your parties and document numbers so you re-issue in one click and keep a history of every certificate.

No credit card required — start on the free plan.

BillsOS only formats and computes documents for you. This is general information, not tax advice — please confirm with the Revenue Department or your accountant.