Certified translation of the import and export declaration for a business in Chonburi (Laem Chabang) — how does it work?

The scope of this answer is “Certified translation of the import and export declaration for a business in Chonburi (Laem Chabang)”, so it flags what usually causes documents like this to be rejected before summarising the general practice. Preferential rates require the correct origin certificate form, or the claim is refused. Tariff codes drive the duty rate, so never adjust or abbreviate them in translation. The specifics here are document type: Declaration; location: Chonburi, and those decide which translation and certification level applies. The terms that frame this page are Certified · translation · import · export. The most frequent cause of delay in this group is missing supporting documents on the first submission. What changes the timeline most here is whether the source documents are complete on day one. Before starting, count the number of certified sets needed before work starts, because extra sets restart the certification steps, then verify the source document is still within any validity window the recipient applies, then check that names are spelled identically to the passport or ID card on every page. Leave buffer time in case a translation has to be amended or a source document re-issued. For documents going abroad, include international shipping time in the plan. High-resolution photos of seals and signatures help when the destination asks for re-verification. Attach a document index to the bundle so nothing is lost during review. Ocean bills of lading and air waybills carry different data fields; translate the type actually used. Bonded warehouse records must show the warehouse number and stocktake cycle. After certification, scan the full set before it leaves your hands. Tariff codes drive the duty rate, so the numeric code must be preserved exactly. Customs valuation follows a set order of methods; state which method was used. A Thai document destined for use abroad normally runs in this order: obtain the original or an official certificate from the issuing agency, translate it to match the original, have it legalised by the Legalisation Division of the Department of Consular Affairs at the Ministry of Foreign Affairs, then have the destination country's embassy legalise it where that country requires it, because Thailand is not a party to the 1961 Apostille Convention. A foreign document for use in Thailand runs the same chain in reverse. Buyer, seller, manufacturer and address details must be spelt identically across every trade document, the company certificate and the declaration. Where a Thai name is transliterated into Roman script, follow the spelling shown on the Department of Business Development certificate and repeat it everywhere. A one-character mismatch is enough for a bank or the destination customs office to send the file back. ILC's responsibility is limited to translating documents, certifying those translations and coordinating certification steps. We are not a customs broker or a tariff or tax adviser, and we do not guarantee the outcome of any decision by the Customs Department or another authority. Classification, valuation and preference decisions rest with the officers empowered by law. Cost and lead time depend on page count, target language, how many certified sets are required and the steps the receiving authority sets, so every file is quoted before work starts. Send scans of every trade document together with the checklist the authority or counterparty gave you, via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th