Educational Information Only
The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.
Por.Por.20 — VAT Registration
Application for VAT registration with the Revenue Department. Required for businesses with annual turnover above THB 1.8m; voluntary registration possible below threshold.
When Used
Before exceeding THB 1.8m annual turnover or on voluntary basis.
Who Files
Thai businesses (individuals or juristic persons).
Fee & Logistics
Free
Same day to 7 working days
Local Area Revenue Office
Filing Method
- In-person at Revenue Office
Required Documents
- Business registration
- Bank account evidence
- Lease / business premises proof
Field-by-Field Walkthrough
Tax ID
Existing Tax ID.
Business description
Goods / services offered.
Common Mistakes
- Late registration past the turnover threshold — penalties + back-VAT
Legal Basis
Revenue Code §85
This walkthrough summarises the practical filing requirements for a Thai government form as a starting point. Fees, procedures, and required documents change without notice — always verify with the issuing authority before filing. Educational use only; not a substitute for advice from a Thai-qualified lawyer, accountant, or licensed visa agent.
Professional Legal Assistance
When a matter involves investigation, arrest, detention, litigation, or regulatory action, professional legal representation becomes essential.
Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.
feedback.wasThisHelpful