This page explains the procedure for obtaining a Marriage License from the Office of the New York City Clerk Marriage Affidavit Corrections (PDF); Gender X FAQs (PDF).Correction Form: Affidavit for Correction of Marriage (DOH-1827) (PDF). After the Affidavit of Service is done, it must be filed with the Court. The Town Clerk's Office now issues marriage licenses to same-sex couples. Online Marriage License Application. Provide the date that you are getting married. Information regarding previous marriages must be furnished in the application for a marriage license.