Importing Goods into Thailand: What Taxes Do You Pay, and How Do They Work?
If you’re bringing goods into Thailand, you’ll encounter two main taxes at the border: import duty and Value Added Tax (VAT). Understanding these—plus how to plan for Free Trade Agreement (FTA) benefits—will help you price correctly, stay compliant, and keep your cash flow healthy.
Table of Contents
Import Duty (อากรขาเข้า)
What it is: A levy imposed by Thai Customs on imported goods.
How the rate is determined: Duty is tied to the product’s HS code (tariff classification). Seemingly minor differences in materials, function, or whether an item is a part vs. a finished good can change the rate. Most duties are ad valorem (a percentage of value) applied to the customs value (CIF in THB at the customs exchange rate).
Where to check: Use the Thai Customs tariff/e-tariff database (or consult a licensed customs broker) to confirm the HS code and rate. Ensure the HS code on your commercial documents reflects the actual goods—misclassification is a common and costly error that can trigger reassessment and penalties.
FTA/Preferential rates (often 0%): If your goods qualify under a Free Trade Agreement, duty may be reduced to 0%(commonly for China, ASEAN, and under RCEP, among others). To claim the preferential rate you must:
Satisfy the Rules of Origin (ROO), and
Present a valid Certificate of Origin (e.g., Form E for China, Form D for ASEAN, or an RCEP origin certificate/statement).
Missing, incorrect, or mismatched origin documents means you’ll pay the standard MFN rate even if the supplier is in an FTA country.
Pro tip: Arrange the Certificate of Origin before shipment and verify that the HS code, product description, quantity, and consignee on the certificate match your import declaration and commercial documents. Keep all origin and shipping records on file for at least 5 years
VAT on Import (ภาษีมูลค่าเพิ่มนำเข้า)
What it is:
An indirect tax collected by Thai Customs at the point of import, currently 7% of the calculated VAT base.
Tax base (what VAT is charged on):
VAT is applied to the aggregate customs value, typically:
CIF value (Cost + Insurance + Freight) converted to THB using the customs exchange rate
+ Import duty (after any FTA/preferential reductions)
+ Other applicable taxes/fees (e.g., excise for regulated goods, specific customs surcharges)
Quick formula: Import VAT = 7% × (CIF in THB + Import duty + Other applicable taxes/fees)
Cash flow & filing:
You pay at clearance (via your broker/e-payment). If your business is VAT-registered, this import VAT is normally creditable input tax on your monthly VAT return (PP.30), provided:
You hold the customs tax receipt and related import documents, and
The goods are used in VATable activities (not exempt supplies).
If you’re not VAT-registered:
Import VAT becomes a cost and cannot be claimed back.
Partial exemption (mixed supplies):
If you make both VATable and VAT-exempt supplies, you may need to apportion input VAT in line with Thai VAT rules.
Documentation to keep (min. 5 years):
Commercial invoice, packing list, bill of lading/air waybill, import declaration, customs tax receipt, and any excise/permit paperwork (if applicable).
Documents You’ll Typically Need
Commercial Invoice and Packing List
Bill of Lading / Air Waybill
Import Declaration (via your customs broker)
Certificate of Origin (if claiming FTA rate: e.g., Form E, Form D, or RCEP certificate)
Import permits or licenses (for regulated goods)
Customs tax receipt (used to claim import VAT as input tax if you’re VAT-registered)
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