You will receive your Certificate of Marriage Registration in the mail within approximately 20 days. 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.First, you must apply for and obtain a valid marriage license from a town or city clerk in New York. Today we are going to show you what it looks like to secure an in-person marriage license interview with the city clerk's office. Go onto the NYC marriage bureau website and sign up. The time slots for the license and ceremony are released 4 weeks prior. The City Clerk offices don't accept walk-ins. On the website, select "Marriage License (in person)" and complete the form. All you have to do is sign up, fill out a short form, and you'll be a legally ordained minister, able to officiate weddings and more. Search My Record In Bronx County.