This page explains the procedure for obtaining a Marriage License from the Office of the New York City Clerk You or your spouse will be asked to complete a Duplicate Marriage License Affidavit that you fill out in our office.A couple who intends to be married in New York State must apply in person for a marriage license to any town or city clerk in the state. Affidavit - Written statement made under oath. After the Affidavit of Service is done, it must be filed with the Court. An affidavit is a sworn statement of fact that can be used in a variety of legal proceedings, from bankruptcy cases to family and civil litigation matters. Soon, it gets out of hand and she fills up her entire office with a temporary wardrobe. Subjects of importance fuller notes than are usually attempted. For instance, in addition to the ordinary definition of an infant, I have endeavoured to state.