Though there are no officiant registration requirements in Arizona, you must be an ordained minister to be able to legally perform marriage. Complete Online Application: Complete the online application and upload valid government photo IDs (link below). 3.To obtain a marriage license, download and legibly complete all areas of the Marriage Application Form. Complete the Application Form: Fill out the marriage license application form online. Make sure all information is accurate to avoid delays. Completing and signing the marriage license is your legal duty as the wedding officiant. You will need your marriage certificate and your existing driver's license. You may apply for a marriage license Monday through Friday between the hours of a.m. You may apply for a Marriage License at the Oro Valley Magistrate Court Monday – Friday from am – pm. There is no waiting period and blood tests aren't required.