; (3) an identification of administrative and legislative options for ensuring that every possible biological father has access to the protections of a responsible father registry regardless of the State in which the possible biological father resides; and (4) a description of the national registry so established, which shall identify participating states and explain how authorized users may access and use the national registry. 4. Definitions In this Act: (1) Indian tribe The term Indian tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act. (2) Responsible father registry The term responsible father registry means a registry for the receipt of information that directly relates to the identity or location of possible biological fathers who have voluntarily registered to be notified of a proceeding relating to a child that a possible biological father may have fathered out of wedlock, so that a possible biological father may opt to assert his parental rights. (3) State The term State means the 50 States of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the United States Virgin Islands, Guam, the Commonwealth of the Northern Mariana Islands, and American Samoa.