Losing the marriage certificate allows for divorce.
1. If one party's marriage certificate is lost, both parties can apply for divorce registration with the other party's marriage certificate; Or the parties who have lost their marriage certificate should first apply for a replacement marriage certificate before proceeding with the divorce procedures.
2. If both parties lose their marriage certificates, they can bring their ID cards and household registration books to the original marriage registration office to obtain a marriage registration record certificate, and then apply for divorce with the marriage registration record certificate.
3. If one party does not cooperate with the divorce, the other party can bring their ID card and household registration book to the marriage registration archives storage department to check and copy the marriage archives, and file a lawsuit for divorce with the archives in court.