After the Affidavit of Service is done, it must be filed with the Court. 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.Domestic Court Rules RULE 17: Financial disclosure affidavits required for original actions and spousal support modifications. Below is a selection of forms for various Franklin County Courts. Call the Franklin County Law Library at 614-525-4971 for assistance. If you do not have a lawyer and are representing yourself in a case, use these simplified instructions to help you fill out the Military Affidavit form.