Completing a marriage license application in Allegheny County is a two-step process. The license is issued after a mandatory three-day waiting period.We maintain the records of all marriages in Allegheny County. Find out the cost, types of records, typical record uses, and how to obtain records. An affidavit is a sworn statement of fact that can be used in a variety of legal proceedings, from bankruptcy cases to family and civil litigation matters. The Non-Resident Marriage License Application-Affidavit is a printable document. If a marriage certificate is not in English it must be translated. Affirmative defense – In a pleading, a matter constituting a defense.