There is no waiting period before you can get married. As soon as you get your license, you can get married. However, the license is only valid for 32 days. If you do not have the marriage solemnized within that time, the license will expire.
How to Officiate a Wedding in Salt Lake County Become an Ordained Minister in Salt Lake County. Confirm Wedding Officiant Requirements in Salt Lake County. Order Necessary Documentation to Officiate in Salt Lake County. Officiate a Wedding and Fill Out the Salt Lake County Marriage License.
To get married in Utah, you need to apply for a marriage license and have the marriage solemnized. You can apply for a marriage license at any county clerk's office. Visit the Utah City and County page on the state's website for links to local government pages, and look for a link that says something like County Clerk.