Tax Refund Service — VAT, CIT, and PIT Refund Claims

Tax Refund Service — VAT, CIT, and PIT Refund Claims: documents, steps, cautions and comparison

Company, BOI & accounting reference — 35 answers

Compiled from Department of Business Development (DBD), Revenue Department, BOI and DIP requirements as cited on each service page. Government fees are set by those authorities and passed through at cost.

• Q12281. Tax Refund Service — VAT, CIT, and PIT Refund Claims — what is included?

  End-to-end Thai tax refund service — VAT from exports, accumulated input VAT, over-withheld corporate income tax, and personal income tax refunds. We prepare the claim, submit supporting documents, and respond to every Revenue Department query until the refund is paid. Timeline: 3–6 months. Fees: 10–15% of refunded amount or fixed rate. Sources: https://www.rd.go.th/ , https://www.rd.go.th/5941.html

• Q12289. How do we claim VAT refunds on exports?

  Exporters use 0% VAT but pay 7% input VAT on domestic costs. Excess input VAT is claimed monthly via PP.30 or in cash via Form Kor.10 within 3 years.

• Q12290. Can we recover over-withheld corporate income tax?

  Yes — if PND.50 actual tax is below withholding tax, choose a cash refund or credit forward. Cash refunds take 3–6 months.

• Q12291. What documents are required?

  Original tax invoices, receipts, contracts, export evidence (Invoice/Packing List/Bill of Lading), WHT certificates, 3-year audited statements, and bank statements.

• Q12292. What does the Revenue Department typically ask?

  Sales origin, cost reasonableness, physical inventory checks, director interviews, and site visits. We prepare responses and can attend interviews on your behalf.

• Q12293. What if the Revenue Department denies the refund?

  Appeal to the Tax Review Committee within 30 days; if unsuccessful, file with the Central Tax Court within 30 days. Our tax litigators handle these end-to-end.

• Q12294. How are fees calculated?

  Either (1) 10–15% of the refunded amount, payable on receipt, or (2) a fixed fee of quoted after document review depending on complexity, payable upfront.

• Q946642. What are the end-to-end steps for tax refund?

  We start with a document and fact review, prepare and verify the file, submit to the Department of Business Development (DBD) and the licensing agencies, follow up on any queries raised by officials, and hand over the completed result with a full copy set. For tax refund a case manager tracks every stage and reports status. Call +66 83-249-4999 · LINE @NYC168 · Contact@nyclegal.co.th

• Q946644. Which documents are required for tax refund?

  The baseline set is the applicant's ID or passport, the original documents relating to tax refund, proof of connection (house registration, company affidavit or the underlying contract) and a power of attorney if a representative attends. The exact list follows the Department of Business Development (DBD) and the licensing agencies requirements on the filing date; we send a case-specific checklist before your appointment.

• Q946646. How long does tax refund take?

  Timing depends on the Department of Business Development (DBD) and the licensing agencies queue, how complete your file is, and public holidays. Our own preparation usually takes a few business days; the official stage is an estimate that can shift. We give you a realistic tax refund timeline before starting and update you as it progresses.

• Q946648. What costs are involved in tax refund and how are they calculated?

  There are two components: official government fees passed through at the published rate, and our professional fee, which depends on scope, document volume and urgency of tax refund. Fees are quoted case by case based on complexity and document volume — ask our team before work starts. You always receive a written breakdown before work begins — no hidden charges.

• Q946650. Can tax refund be handled if I live upcountry or overseas?

  Yes. Send photos of your documents via LINE for a feasibility check, then we proceed under a power of attorney, or you sign at a Royal Thai Embassy/Consulate where you live and courier the originals back. For tax refund we map out the fastest and safest option before you commit.

• Q946652. What are the most common mistakes in tax refund and how do we prevent them?

  The usual causes of rejection are name spellings that differ between documents, documents that expire before the filing date, uncertified copies, and translations that do not match the original. the Department of Business Development (DBD) and the licensing agencies returns files for exactly these reasons, so we cross-check names, dates and seals across every page before submitting tax refund.

• Q946654. Which laws or regulations govern tax refund?

  The framework is set by the Civil and Commercial Code, the Foreign Business Act B.E. 2542 and the applicable tax legislation, together with the regulations and notifications issued by the Department of Business Development (DBD) and the licensing agencies, which are revised from time to time. Before advising on tax refund we verify the version in force on the filing date and rely on official sources rather than second-hand summaries.

• Q946656. What happens if tax refund is rejected or returned for correction?

  First we obtain the written reason from the Department of Business Development (DBD) and the licensing agencies, then separate formal defects (fixable and quickly refiled) from substantive or eligibility issues (which need a change of approach). Where the error is ours, we redo tax refund at no extra professional fee and coordinate until the matter is resolved.

• Q946658. Who is tax refund for, and what are the eligibility conditions?

  It suits anyone who must present the result of tax refund to a government body, bank, educational institution or overseas counterparty. Applicant eligibility and supporting documents follow the Department of Business Development (DBD) and the licensing agencies rules; some cases require the document holder in person or a properly executed power of attorney. We screen eligibility free of charge before accepting the case.

• Q946660. How long does the result of tax refund stay valid?

  Certified documents rarely carry an expiry date themselves, but most receiving authorities require issuance within 3–6 months of submission, and some are stricter. Check the destination's rule before starting tax refund so nothing has to be redone; we plan the sequence around your filing deadline.

• Q946662. Does tax refund also need an English or target-language translation?

  If the receiving body is overseas, a certified translation is normally required, and many countries insist on their own official language rather than English. We confirm the destination rule first, then produce a translation aligned with tax refund and certify it in the same workflow to avoid extra rounds.

• Q946664. Should I handle tax refund myself or use a service provider?

  Doing it yourself saves the professional fee but leaves you carrying the risk on document format, queueing and travel time, plus shifting the Department of Business Development (DBD) and the licensing agencies practice. A provider reduces rejection loops and gives you someone accountable for follow-up. For tax refund we are happy to give initial guidance even if you proceed on your own.

• Q946666. Is there an express option for tax refund?

  We can prioritise our own preparation subject to capacity, but any stage controlled by the Department of Business Development (DBD) and the licensing agencies follows official procedure and cannot be guaranteed to a fixed date. We tell you plainly what the fastest realistic tax refund window is and offer alternatives if your deadline is too tight.

• Q946668. How is my data protected when you handle tax refund?

  We process personal data under Thailand's Personal Data Protection Act B.E. 2562 (PDPA), use it only to carry out tax refund as instructed, restrict access to the assigned team, and return or destroy originals on your instruction. You may exercise access or deletion rights at any time.

• Q946670. What happens after tax refund is completed?

  Check names, dates and seals as soon as you receive the result of tax refund, keep at least one digital copy, and submit to the receiving authority within its validity window. If the destination requires further legalisation — for example the Department of Consular Affairs or an embassy — we continue the chain in the same engagement.

• Q946672. What risks should I know before starting tax refund?

  The main risks are destination rules changing mid-process, historic documents that no longer match current facts, and deadlines so tight that no correction round is left. We confirm requirements with the Department of Business Development (DBD) and the licensing agencies or the receiving body before filing tax refund and build correction time into the plan.