The proof of marital status needs to be issued by the local civil affairs department. To obtain a marriage status certificate, one must be present in person and bring their personal ID card, marriage certificate, household registration book, and other documents.
Materials required for obtaining a marriage certificate
Married: marriage certificate, household registration book, income certificate, copy of business license with official seal, salary card statement (one year or six months, different banks, different requirements), ID card, spouse's ID card, spouse's household registration book, spouse's marriage certificate. If two people borrow together, the spouse also needs to provide proof of income, a copy of the business license with official seal, and salary statements.