Let this legal app guide you through filling out a financial affidavit for family law cases in the state of Florida. The financial affidavit in this context is form 12.902(c). It is a legal document that provides financial information about a person. This document is often used in divorce cases and other legal proceedings where financial information is relevant. The Affidavit must be signed by the person providing the information and notarized by a notary public.