Customs and import-export document certification — why files get rejected, and how to fix it
This page lists 8 rejection causes we see in practice for customs and import-export document certification, each with a fix that can be applied before filing. Most are caught during document review, well before the cost of re-certifying an entire set — to have our team review your scans first, contact LINE @Thainotary or call 094-8958999.
Causes and fixes
1. Values and quantities must match the invoice, packing list, and declaration.
Fix: Keep this as a checklist item on the front of the file and have a second reviewer sign it off before delivery.
2. Preferential origin claims fail when the certificate references a different consignor.
Fix: Confirm this requirement with the receiving authority before work starts and record the answer in the case file.
3. Spell every name exactly as it appears in the passport, across every document in the same bundle.
Fix: Keep this as a checklist item on the front of the file and have a second reviewer sign it off before delivery.
4. Never remove staples or separate pages that an authority has bound and stamped across the seam.
Fix: Confirm this requirement with the receiving authority before work starts and record the answer in the case file.
5. Using a company affidavit issued long ago
Fix: Order a fresh affidavit before certification, since most destinations accept only recently issued extracts.
6. The signatory is not an authorised director on the register
Fix: Check signing authority against the affidavit and prepare a board resolution or power of attorney when someone else signs.
7. Company name or job title translated differently from the registration
Fix: Use the registered name and title verbatim in every document rather than translating the meaning.
8. Amending documents after certification
Fix: Finalise all wording before the certification step; later edits require the whole set to be certified again.
A review before filing costs less than re-certifying
Most rejections are not about the content of the document — they come from steps taken in the wrong order, or a format the receiving authority does not accept. Send us the scans before work starts and we will confirm the correct certification route and the full document list first.
Contact: LINE @Thainotary · phone 094-8958999 · email contact@thainotary.co.th
Support continues after delivery
Document work rarely ends with one submission: the receiving authority may request more, or you may need to file again next year. We keep a digital copy set and a record of the certification route used for every job, so the next round starts from the right point, and you can consult us when the destination changes its requirements. Handled by a team with more than 15 years of experience.
- The certification route of each job is recorded for the next round.
- Guidance when the destination requests additional documents later.
- New document sets checked for consistency with what you already filed.
Consult us at LINE @Thainotary · 094-8958999 · contact@thainotary.co.th
Ask a questionGo deeper on Customs and import-export document certification
Our advisory team has run these certification chains for 15+ years. Two references we keep updated for clients:
- Step-by-step playbook: documents, order of certification, rejection risks
- Route comparison: which certification path your receiving authority accepts
Not sure which route applies? Send us the scan — LINE @Thainotary · 094-8958999 · contact@thainotary.co.th
Documents usually required
- Freshly issued company affidavit and certificate of registration
- Memorandum and articles of association, or the current shareholder list
- Board resolution or power of attorney signed by the authorised director
- ID or passport copies of the authorised signatories
Common reasons a bundle is rejected
- Values and quantities must match the invoice, packing list, and declaration.
- Preferential origin claims fail when the certificate references a different consignor.
- Spell every name exactly as it appears in the passport, across every document in the same bundle.
Prefer not to handle the chain yourself? Send the scans and we run every step for you, from translation to the final endorsement.
How the process runs — Customs and import-export document certification
- Obtain freshly issued corporate records covering the whole group of entities involved.
- Prepare the board resolution or power of attorney signed by the authorised director.
- Translate using the registered English company name and the job titles exactly as filed.
- Complete the certification route the counterparty or destination authority requires.
- Deliver the certified set together with copies for internal corporate records.
Fees and processing times are set by each authority and vary by document and destination — confirm them with the responsible agency.
Handling it yourself vs letting iLC run it
| Aspect | Doing it yourself | With iLC |
|---|---|---|
| Working out which steps apply | You read each authority's rules yourself, and usually learn a step was missing only after the bundle is refused. | Our advisers review the documents before work starts and sequence translation, notarisation, MFA, and embassy in one pass. |
| Time spent filing | Repeat trips to each office, queueing and collecting in person. | We file on your behalf; you send scans and receive the finished set by post or courier. |
| Risk that the translation is refused | Agency names, job titles, and the certification wording often do not match what the receiving office accepts. | We use terminology and certificate formats the receiving authority has accepted before, with two-stage proof-reading. |
| If the bundle is rejected | You diagnose the cause and refile yourself, losing a full cycle. | We identify the cause, correct it, and refile without you starting over, with progress reported along the way. |
What clients typically use this for
- Import and export clearance
- Duty and privilege claims
- Post-clearance audits
Support continues after delivery
Document work rarely ends with one submission: the receiving authority may request more, or you may need to file again next year. We keep a digital copy set and a record of the certification route used for every job, so the next round starts from the right point, and you can consult us when the destination changes its requirements. Handled by a team with more than 15 years of experience.
- The certification route of each job is recorded for the next round.
- Guidance when the destination requests additional documents later.
- New document sets checked for consistency with what you already filed.
Consult us at LINE @Thainotary · 094-8958999 · contact@thainotary.co.th
Ask a questionRejection causes for other services
ข้อมูลสำคัญ & คำถามที่พบบ่อย — Customs
บริการเอกสารครบวงจร สำหรับ “Customs” โดย iLC: ทีมทนายผู้ทำคำรับรองลายมือชื่อและเอกสาร (Notarial Services Attorney) นักแปลรับรอง และผู้เชี่ยวชาญงานกงสุล ดูแลครบตั้งแต่แปล → รับรอง → กรมการกงสุล/Apostille → สถานทูต ให้คำปรึกษาฟรี ติดต่อโทร 094-8958999 · LINE @Thainotary · อีเมล contact@thainotary.co.th
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