English interface
50 Tawi data preparation checklist
Validate core preparation fields before using the Revenue Department certificate process.
ReviewedPreliminary referenceReviewed preparation checklist · Issue using Revenue Department tools
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.
How to use it
- Enter the payer, recipient, payment date and withholding figures for a completeness check.
- Resolve checksum, date and amount validation messages before continuing.
- Issue and sign the actual certificate through the applicable Revenue Department process.
Important limitation
This tool does not issue, sign or authenticate an official withholding certificate and does not decide the applicable income or tax treatment.
The interactive form is fully localized in English.
Reviewed 2026-09-02; next review 2026-12-02.
Main preparation fields, 13-digit check numbers, dates and amount limits have been checked. This tool does not issue or sign a 50 Tawi certificate.
Sources
มาตรา 50 ทวิ แห่งประมวลรัษฎากรกรมสรรพากร · opens in a new tabSupports the method and scope stated on the tool page; consult the source for case-specific rules.Source checked 2026-08-26ประกาศและแบบหนังสือรับรองการหักภาษี ณ ที่จ่ายกรมสรรพากร · opens in a new tabSupports the method and scope stated on the tool page; consult the source for case-specific rules.Source checked 2026-08-26โปรแกรมและคู่มือ 50 Tawi Generatorกรมสรรพากร · opens in a new tabSupports the method and scope stated on the tool page; consult the source for case-specific rules.Source checked 2026-08-26Recorded updates
Site changelogReview history
Dates describe the review scope recorded below. A page update does not mean every source was checked again.
- Last recorded source/method review
Main preparation fields, 13-digit check numbers, dates and amount limits have been checked. This tool does not issue or sign a 50 Tawi certificate.