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.Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. A. BIOGRAPHICAL INFORMATION: Fill in your. NAME: CHILD OF: DATE OF DEATH (if deceased): STOP. Go to (4) and (5) only if everyone listed above died before (predeceased) the decedent. An affidavit is a sworn statement of facts that can be filed as evidence in court. Complete and file the Certificate of Assumed Name with the Department of State. This is not something you can complete in a few minutes. • If you have questions about how to fill in this form, you must talk to a lawyer.