The purpose of the affidavit is to affirm the facts stated regarding their non-cohabitation for legal purposes. In the absence of legitimation or other legal rulings, the unmarried mother always receives sole custody, according to Georgia law.She executes this affidavit to attest to the truthfulness of these statements for her application for a Solo Parent ID. Domestic partner agreements are becoming more common and are gaining more media attention. Learn more about the domestic partner laws in Georgia. An affidavit is a written witness statement, signed under oath. " Being married is not a prerequisite to adoption. The child's election for purposes of custody shall be presumptive unless the parent so selected is determined not to be in the best interests of the child. Plan No. 3 of 1950, §§1, 2, eff. May 24, 1950, 15 F.R. 3174, 64 Stat.