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. In a nutshell, an affidavit is a sworn statement that is documented in writing.(1) A will or codicil executed in conformity with s. The purpose of the financial affidavit is to determine the income, assets, liabilities, and expenses of each party. Name Change Forms, LINK. Name Change Affidavit in Compliance with Section 68.07(3)(i), PDF. Register their "fictitious name" or "dba" name with the Florida Department of State prior to conducting business in Florida.