In this article, we discuss how to write a letter with two signatures and provide an example letter for you to use as a reference. The Certificate of Assumed Name must be typed or printed in black ink.All printing and signatures must be of sufficient clarity and darkness. You have to first obtain a Marriage License and then have a Marriage Ceremony in the City Clerk's Office or a Marriage Ceremony outside the City Clerk's Office. These are the official forms for use in Family Court proceedings.