TL;DR
ตั้งแต่ 25 ก.พ. 2025 ไทยเป็นภาคี Apostille — เอกสารราชการไทย/เอกสารเอกชนที่ Notary รับรองแล้ว สามารถขอ Apostille ที่กรมการกงสุล แจ้งวัฒนะ ได้ในวันเดียว (ค่าธรรมเนียม 200 บาท/ฉบับ ปกติ, 400 บาท เร่งด่วน) ใช้ได้กับประเทศภาคี 125 ประเทศโดยไม่ต้องไปสถานทูตอีก; เอกสารที่ไม่ใช่ราชการต้องผ่าน Notarial Services Attorney ก่อน; HCCH e-APP รองรับ Apostille อิเล็กทรอนิกส์ตั้งแต่ 2026.
Since 28 February 2027 Thailand is a HCCH Apostille party. Public + notarised private documents are Apostilled at DCA Chaeng Watthana in 1 working day (quote on request (phone / LINE / email) standard / 400 express) and accepted in all 125 partner states without further embassy legalisation. Private documents must first be certified by a Notarial Services Attorney. HCCH e-APP (electronic Apostille) is being phased in from 2026.
Legal basis + entry into force
Thailand deposited its instrument of accession with the Netherlands MFA on **27 September 2024**. Per HCCH Article 12, the Convention entered into force for Thailand **6 months later — 28 February 2027**.
**Domestic implementing instruments:** Ministerial Regulation B.E. 2567 issued by the Ministry of Foreign Affairs, and the **DCA Apostille Operating Manual v.1.0 (Jan 2025)** designate the **Department of Consular Affairs (DCA)** as the sole Competent Authority for issuing Thai Apostilles.
**Effect:** A single Apostille certificate issued by DCA replaces the legacy **Notary → MFA Legalisation → Foreign Embassy in Bangkok** triple-stamp chain when the destination country is one of the 125 HCCH Contracting Parties.
Document categories — what gets Apostilled directly vs requires prior notarisation
**Direct Apostille (public documents under Art. 1 HCCH):** court judgments, MoFA-issued documents, Royal Gazette extracts, birth/marriage/death certificates from BORA, academic transcripts from MoE-recognised institutions, criminal-record certificates from RTP/CID, DBD company affidavits, Land Department title deeds.
**Notarisation-then-Apostille (private documents):** Powers of Attorney, board resolutions, declarations/affidavits, certified true copies of passport/ID, signature-authentications, commercial contracts, translations. The **Notarial Services Attorney certifies first**, then DCA Apostilles the notary's signature + seal.
**Translations:** A translation is treated as a **private document** — it must be signed by the translator before a Notarial Services Attorney (signature-authentication), then Apostilled. The translator does not need to be NAATI-certified for HCCH purposes but the receiving country may impose additional requirements.
DCA workflow — Chaeng Watthana counter process
**Location:** Department of Consular Affairs, 123 Chaeng Watthana Road, Lak Si, Bangkok 10210 — Legalisation Division, 3rd Floor.
**Submission:** in person or via authorised agent with PoA. Documents accepted Mon–Fri 08:30–14:30 (counter closes earlier than the building).
**Service tiers:** Standard — 2 working days, quote on request (phone / LINE / email). Express — same day (submit before 11:00, collect 14:30), quoted on request.
**Payment:** cashier's cheque, debit/credit card, PromptPay QR. Cash accepted up to quote on request (phone / LINE / email).
**Pickup:** by the depositor or any person with a power-of-attorney + ID copy. Postal return available via EMS at THB 50.
The Apostille certificate — what it actually looks like
**Format:** strictly the HCCH Model — a square certificate ≥ 9 cm/side, 10 numbered fields in French heading 'APOSTILLE (Convention de La Haye du 5 octobre 1961)'.
**Issuing officer:** Director-General of the Department of Consular Affairs or delegated Deputy DG. Personal signature + DCA dry-stamp.
**Verification:** every Thai Apostille bears a 14-digit serial number queryable at the DCA e-Apostille portal (live since June 2025) — receiving authorities can verify authenticity online without contacting DCA.
**e-APP (electronic Apostille):** Thailand committed to launching e-APP under HCCH Recommendation 2023 by Q4 2026 — PDF Apostilles with embedded PKI signature, fully interoperable with EU eIDAS-2 trust services.
What changes vs the legacy legalisation track
**Before 25 Feb 2025:** Notary (quote on request (phone / LINE / email)) → MFA Legalisation (quoted on request + 1 day) → Embassy Legalisation (quoted on request + 1–10 days). Total: quoted on request–12 working days.
**After 28 February 2027 (HCCH state):** Notary (private docs only, quote on request (phone / LINE / email)) → DCA Apostille (quoted on request + 0–1 day). Total: quoted on request–2 working days.
**Non-HCCH destinations (still need full chain):** Vietnam, Cambodia, Lao PDR, Myanmar, Malaysia (signed but not yet in force), Saudi Arabia, Iran, UAE (partial), Egypt, most African states except South Africa/Morocco/Botswana/Cabo Verde.
**HCCH parties (Apostille only):** all 27 EU Member States, UK, USA, Australia, NZ, Japan, South Korea, China (since 7 Nov 2023), Hong Kong, India, Russia, Brazil, Mexico, Argentina, South Africa — the practical majority of Thailand's outbound document destinations.
Common rejection grounds (DCA refusal rate ≈ 4 % in 2025)
**Notary signature not on DCA specimen file** — Notarial Services Attorney must be registered with the Lawyers Council AND have deposited signature specimen with DCA (one-time, free).
**Document not yet a 'public document'** — e.g., a private contract presented without notarial signature-authentication. Cure: route via Notary first.
**Stale issuance** — some receiving authorities require the underlying document to be ≤ 3 or ≤ 6 months old (BORA certificates, criminal records). Re-issue, then Apostille.
**Translation paginated separately from source** — DCA requires translation + source to be physically bound with notary's ribbon + seal.
คำถามที่พบบ่อย
Does Thailand's Apostille work for use in China?+
Yes. China became a HCCH party on 7 Nov 2023. Since 28 February 2027, Thai documents bearing a DCA Apostille are accepted directly in mainland China (excluding Hong Kong + Macau, which are already separate HCCH parties).
Can the legacy MFA Legalisation still be requested if I prefer the old format?+
Yes, MFA Legalisation remains available for non-HCCH destinations + on specific receiver request. But for the 125 HCCH states, embassies are increasingly refusing to add their seal because Apostille is now sufficient — pushing the document into a wasteful 4-stamp chain.
Do I still need to translate the document into the destination-country language?+
Yes — the Apostille only authenticates the origin of the document, not its content. Most receiving authorities still require a translation. Best practice: bind source + translation, notarise translator's signature, then Apostille the bound packet once.
How does Apostille interact with the EU eIDAS-2 framework?+
Under HCCH Recommendation 2023 + EU eIDAS-2 (Regulation 2024/1183), an e-Apostille from DCA carrying a qualified electronic seal will be auto-trusted by EU Member States' eIDAS trust lists from 2027. This collapses cross-border document verification into a single online check.
Is an Apostille recognised by US state-level authorities (e.g., for I-130, USCIS, US courts)?+
Yes. The US has been a HCCH party since 1981. USCIS Form I-130 + I-485 evidentiary documents (Thai birth/marriage certificates, criminal-record certificates) Apostilled by DCA are accepted without further legalisation. US courts accept Apostilled Thai notarial acts as self-authenticating under FRE 902(3).

