Wyo. Stat. Ann. § 21-4-107

When the attendance officer of any school district determines that a child is an habitual truant or has been absent due to willful absenteeism as defined by this article the attendance officer shall notify the board of trustees and the district attorney who may initiate proceedings in the interest of the child under the Child Protection Act, W.S. 14-3-401 et seq., or the Children In Need of Supervision Act, W.S. 14-6-401 et seq., as appropriate. If the child is an Indian child as defined in the federal Indian Child Welfare Act, 25 U.S.C. 1901 et seq., the district attorney shall notify the child’s tribe and may initiate proceedings in the interest of the child if authorized to do so under state and federal law. If the Indian child resides on the Wind River Indian Reservation, the attendance officer shall notify the Wind River Tribal Court prosecutor and the tribal prosecutor may initiate proceedings pursuant to applicable tribal law and order codes.