A parent's or custodian's act of leaving a child without adequate care, supervision, support or parental contact for an excessive period of time. An affidavit for a signature witnessing that is in substantially the following form is sufficient under Subsection (1):.After filling out your forms, file them with the justice court where your case was filed. An affidavit is a written statement made under oath that is typically used in legal proceedings. Learn their purpose, when to use, and how to write. The Opt Out Affidavits dataset provides information on providers who have decided not to participate in Medicare. Affidavits are normally used in court proceedings or government agencies.