Legal Glossary

TH: คำให้การสาบาน

A sworn written statement signed before a notary, used as evidence in courts and government authorities abroad.

TH: การรับรองลายมือชื่อ

A notarial act in which a signer declares before the notary that they signed a document voluntarily.

TH: อะพอสตีล

A simplified single-step authentication under the 1961 Hague Convention accepted by 120+ member states. Thailand is not yet a party (as of 2026).

TH: ATA

Certification by the American Translators Association, accepted by USCIS and U.S. state courts.

TH: ข้อบังคับบริษัท

A company's governing rules defining shareholder structure and directors' powers.

TH: หนังสือรับรองการรับบุตรบุญธรรม

A document evidencing legal adoption, used for family-class visas and nationality applications for the adopted child.

TH: แปลกลับ

Re-translation of a target text back into the source language to verify accuracy, commonly used in medical and legal projects.

TH: รายการเดินบัญชี

A statement of account activity (typically 3–6 months) used to demonstrate financial means for a visa application.

TH: มติคณะกรรมการ

An official record of decisions made by a company's board, often required to open accounts or sign cross-border contracts.

TH: บีโอไอ

The Thailand Board of Investment, which issues investment-promotion certificates and grants tax and immigration privileges.

TH: สูติบัตร

An official record of birth used for nationality, family-class visas and school enrolment abroad.

TH: สำเนาถูกต้อง

Notarial certification confirming that a photocopy is a true and accurate reproduction of the original document, sealed and signed by a notary.

TH: แปลรับรอง

A translation accompanied by a signed and stamped certificate of accuracy from a registered translator, accepted by official authorities.

TH: การรับรองแบบลูกโซ่

The full chain of certification — Notary → MFA → Embassy — required for use of Thai documents in non-Apostille countries.

TH: บริการกงสุล

Services of the Department of Consular Affairs including legalisation, passports and civil-registration certification.

TH: หนังสือตอบรับ CAS

An electronic reference issued by a UK sponsor licensed by the Home Office, required to apply for a UK Student visa.

TH: จดหมายชี้แจง

A letter explaining the purpose of travel and linking the supporting documents; helps improve approval rates.

TH: หนังสือรับรองนิติบุคคล

An official document evidencing the formation of a legal entity, issued in Thailand by the Department of Business Development.

TH: ฟอร์ม DS-160

Online U.S. non-immigrant visa application form that must be completed before scheduling a visa interview.

TH: กรมพัฒนาธุรกิจการค้า

The Thai government department responsible for company registration and corporate records.

TH: มรณบัตร

An official record of death used in cross-border probate, insurance and estate administration.

TH: ใบสำคัญการหย่า

A court judgment or registry record evidencing dissolution of marriage; needed to remarry or update status overseas.

TH: การรับรองโดยสถานทูต

Final authentication of a document by the embassy or consulate of the destination country after MFA legalisation.

TH: ทะเบียนบ้าน

Thai household registration document used to confirm family relationships and address.

TH: ไอ-20

Certificate of eligibility for non-immigrant student status (F-1) issued by SEVP-approved U.S. schools, required for the F-1 visa application.

TH: หนังสือเชิญ

A letter from a host in the destination country supporting a tourist or business visa application.

TH: การแปลแบบปรับท้องถิ่น

Translation adapted for local culture and context, used in websites, software and marketing materials.

TH: นิติกรณ์

Authentication of a document by the Department of Consular Affairs, Ministry of Foreign Affairs of Thailand, for use abroad.

TH: กระทรวงการต่างประเทศ

Thailand's Ministry of Foreign Affairs, the first-stage legalisation authority before forwarding documents to the destination embassy.

TH: บันทึกข้อตกลง

A formal agreement between parties; often requires certified translation and notarisation when used abroad.

TH: ทะเบียนสมรส

An official record of marriage issued by a Thai district office; for overseas use it typically requires the full legalisation chain.

TH: ทนายผู้ทำคำรับรอง

A Thai lawyer licensed by the Lawyers Council of Thailand under His Majesty's Patronage to perform notarial acts equivalent to a foreign Notary Public.

TH: ตราประทับโนตารี

The registered embossed or inked stamp of a notary, bearing the notary's name, license number and expiry date.

TH: เนติ

The National Accreditation Authority for Translators and Interpreters of Australia. NAATI-certified translations are accepted by Australian government and migration authorities.

TH: หนังสือมอบอำนาจ

A legal instrument that authorises a person to act on behalf of another; typically requires notarisation and legalisation for international use.

TH: ใบรับรองประวัติอาชญากรรม

A certificate from the Royal Thai Police confirming no criminal record, required for many work visas and emigration applications.

TH: นักแปลสาบาน

A translator who has taken an oath before a court in countries such as France, Germany or Italy; their translations are admissible without further certification.

TH: วีซ่าเชงเก้น

A short-stay visa valid across 27 European Schengen countries, allowing up to 90 days within any 180-day period.

TH: หนังสือรับรองผู้อุปการะ

A letter confirming that a person or organisation will cover the applicant's expenses; commonly requires notarisation.

TH: หนังสือรับรองโสด

A district-issued declaration confirming the applicant has never married, required to marry overseas.

TH: คำรับรองนักแปล

A translator's sworn declaration before a notary that the translation faithfully represents the source document.

TH: ศูนย์รับยื่นวีซ่า VFS

An outsourced visa-application centre serving many destinations from Thailand, including the UK, most Schengen countries and Canada.

TH: ใบอนุญาตทำงาน

A permit issued by Thailand's Department of Employment authorising a foreign national to work in the Kingdom.