An affidavit is a written statement. A person, known as the affiant, swears under oath to the statement's truthfulness.As established, an affidavit, in the legal realm, is like giving your word in writing. For uncontested divorces, attorneys and selfrepresented litigants must file: 1. A general affidavit is a crucial legal tool that provides a solid foundation for validating agreements and asserting facts. Both affidavits and declarations are types of sworn statements. The Affidavit must be notarized if it is mailed in. In general, Texas has very few official legal forms. Notary fills out below. State of Texas, County of.