Single Status Affidavit for Marriage in Japan (Konin Yoken Gubi Shomeisho)
Wrong-notary refusals cost weeks: a Bangkok family missed a US embassy interview because a district-office 'notarised copy' was rejected — NYC re-worked the file in 24 hours. For Thai–Japanese couples registering marriage at a Shiyakusho — NYC provides the certified Konin Yoken Gubi Shomeisho within 3 days. 3 Notarial Services Attorneys on desk — reach them via LINE @NYCLI.
Why Notary Public matters for Japan
For Thai–Japanese couples registering marriage at a Shiyakusho — NYC provides the certified Konin Yoken Gubi Shomeisho within 3 days.
Documents in this class are filed with Shiyakusho / Kuyakusho (Japanese municipal office), Royal Thai Embassy Tokyo, each with specific formatting NYC knows from continuous casework — Notarial Services Attorneys, sworn translators and MFA / embassy messengers all work the file inside one folder.
Real case study — NYC handled — Legalisation chain
- 1Single Status Certificate + MFA legalisation
- 2Thai Embassy Tokyo translation & certification
- 3Filed at Shiyakusho within 3 months
Japan is a Hague Apostille member. Since the Apostille Convention enters into force for Thailand on 28 February 2027, Consular Legalisation is no longer needed for most documents.
Common pitfalls when notarising for — Frequently notarised documents
- Konin Yoken Gubi Shomeisho (Marital Eligibility Certificate)
- Certified passport copy
- Sworn Japanese translation
- Family register extract
Pre-notarisation checklist for — Local tips (Japan)
- •The certificate is valid for only 3 months from issue — schedule the Japan trip within that window.
- •The Royal Thai Embassy Tokyo (Kudanshita) issues the certificate in Japanese — NYC prepares the underlying Thai file.
- •Shiyakusho in Osaka and Kyoto occasionally request an additional koseki tohon translation — NYC includes this pre-emptively.
FAQ — Japan
Can we file directly at Shiyakusho without the Thai Embassy step?
No — Shiyakusho requires the Konin Yoken Gubi Shomeisho issued or endorsed by the Royal Thai Embassy Tokyo.
Is Apostille enough?
Not yet — Japan accepts Apostille for many documents, but Shiyakusho still requires the Thai Embassy Tokyo endorsement for marriage filings.
