Michigan Marriage License Laws: here is what you need to bring with you, and what you need to know about the Michigan marriage laws before filling out the Michigan marriage license form.In order to get married, you need to apply and receive a marriage license. This is the document in Michigan that allows you to officially tie the knot under the law. The rules for acquiring a marriage license varies from state to state, so you should check with your county clerk's office to find out what your local rules are. County clerk offices are listed at the end of this page.You'll typically need to apply for your marriage license at least one month before your wedding ceremony. You don't, however, want to apply for your marriage license too early. In Michigan, the license expires in 33 days.To obtain a marriage license in Kalamazoo County, apply at the County Clerk's Office, 201 W. Kalamazoo Avenue. MARRIAGE LICENSE APPLICATIONS ARE ACCEPTED FROM 8:00 A.M. UNTIL 4:00 P.M.