District of Columbia Code Division II. Judiciary and Judicial Procedure § 16-831.03. Action for custody of a child by a de facto parent.

(a) A de facto parent may file a complaint for custody of a child or a motion to intervene in any existing action involving custody of the child.

(b) An individual who establishes that he or she is a de facto parent by clear and convincing evidence shall be deemed a parent for the purposes of §§ 16-911, 16-914, 16-914.01, and 16-916, and for the purposes of this chapter if a third party is seeking custody of the child of the de facto parent.