Petition to Determine Parental Relationship (Uniform Parentage) (FL-200) Start a case to get a court order (judgment) that identifies the legal parents of a child. This is used by parents who are not married. Get form FL-200 espaƱolGet form FL-200 in Spanish (Spanish) Effective: September 1, 2021 View FL-200 Petition to Determine Parental Relationship (Uniform Parentage) form Go to How-to instructions for Custody Go to Custody Form Packets Go to How-to instructions for Child Support Go to Child Support Form Packets Go to How-to instructions for Parentage Go to Parentage Form Packets