Cross-border corporate advisory
636 topics grouped by document type and receiving authority (page 6/8) — requirements change, so confirm with the receiving authority or ask our staff by phone, LINE or email.
636 topics grouped by document type and receiving authority (page 6/8) — requirements change, so confirm with the receiving authority or ask our staff by phone, LINE or email.
the Department of Employment sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the district office sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the Department of Provincial Administration sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the DBD sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the Land Department sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
Thai courts sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
Thai banks sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
Thai educational institutions sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the Board of Investment sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the Revenue Department sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
the Social Security Office sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
hospitals and clinics sets its own certification format and translation language; request the current requirement in writing before preparing the a corporate power of attorney.
Immigration Division 1 (Chaengwattana) sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
provincial immigration offices sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Department of Employment sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the district office sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Department of Provincial Administration sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the DBD sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Land Department sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
Thai courts sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
Thai banks sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
Thai educational institutions sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Board of Investment sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Revenue Department sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
the Social Security Office sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
hospitals and clinics sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of good standing.
Immigration Division 1 (Chaengwattana) sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
provincial immigration offices sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Department of Employment sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the district office sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Department of Provincial Administration sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the DBD sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Land Department sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
Thai courts sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
Thai banks sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
Thai educational institutions sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Board of Investment sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Revenue Department sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
the Social Security Office sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
hospitals and clinics sets its own certification format and translation language; request the current requirement in writing before preparing the a commercial invoice for export.
Immigration Division 1 (Chaengwattana) sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
provincial immigration offices sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Department of Employment sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the district office sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Department of Provincial Administration sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the DBD sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Land Department sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
Thai courts sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
Thai banks sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
Thai educational institutions sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Board of Investment sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Revenue Department sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
the Social Security Office sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
hospitals and clinics sets its own certification format and translation language; request the current requirement in writing before preparing the a certificate of origin.
Immigration Division 1 (Chaengwattana) sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
provincial immigration offices sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Department of Employment sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the district office sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Department of Provincial Administration sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the DBD sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Land Department sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
Thai courts sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
Thai banks sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
Thai educational institutions sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Board of Investment sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Revenue Department sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
the Social Security Office sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
hospitals and clinics sets its own certification format and translation language; request the current requirement in writing before preparing the a withholding tax certificate.
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Department of Business Development, then re-check before filing.
The baseline set is the original a company affidavit (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
The final certification sits with the Department of Business Development; document preparation and translation can be arranged in advance from Bangkok or upcountry.
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
If you are outside Bangkok you can courier the original a company affidavit, enclosing a passport copy and a contact number in the same envelope.
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
Once certified, the a company affidavit is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
A representative needs a power of attorney plus ID copies of both parties, and the Department of Business Development will check that names match the source document.
Answers for HR, legal and procurement teams preparing document packs for overseas assignments, branch registration, cross-border contracts and international tenders, covering certification sequencing, copy counts and deadline control. (25+ search topics covered)
Need your documents reviewed or your case assessed? Ask our team by phone, LINE, or email. We reply during business hours (Mon–Fri 9:00–18:00, Sat 9:00–15:00, ICT).

Some activities need a licence from a specialist regulator before operating. Verify at the planning stage.
Tax invoices, receipts and contracts should be filed systematically per accounting period to support any later audit.
Cross-border contracts should state which language version prevails and how disputes are resolved.
Mixed accounts complicate financial statements and tax explanations, and cause problems when bank evidence supports a visa or work permit.
Certificates submitted should be freshly issued and consistent with the current register, or the receiving authority will refuse them.
Changes of director, address or capital must be filed within the statutory period; omissions create mismatches that block other applications.
Assets in different countries may fall under different succession rules; ensure multiple wills do not contradict each other.
A translation conveys wording but does not assess legal risk. Have a lawyer review the substance before signing.
Requirements differ by authority and destination country and can change. Confirm current conditions with the receiving authority, or ask our team by phone, LINE or email.
One document set often moves through several stages — translation, notarial certification, legalization and finally a visa filing. The links below follow that real sequence.
Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.