The single certificate is also called "unmarried certificate", and the legal full name is "certificate of no marriage registration record", which is a written certificate to prove whether the party concerned has registered marriage in the civil affairs department at a certain time, and is generally issued by the civil affairs department where the household registration is located.

Relevant supporting materials (single certificate) required for proof of no marriage registration record:

Unmarried: original residence booklet and ID card.

Divorced persons: household registration book, identity card, divorce certificate (if it is a first-instance judgment, a certificate that the court of first instance found valid must be issued).

Widowed: household registration book, ID card, and widowed certificate with death time (widowed certificate can be issued by local police station or local community).

Two recent bareheaded color photos (determined according to local layout requirements)

If you can't handle it in person, you can entrust someone else to handle it. If it entrusts others to handle it, it shall submit the power of attorney signed by the parties and notarized by the notary office, and the original and photocopy of the client's ID card.