Wyoming Statutes Title 14. Children § 14-2-310. Parties authorized to file petition

(a) The petition for the termination of the parent-child relationship shall be filed with the court by:

(b) The petition for the termination of the parent-child relationship may be filed with the court by a biological or adoptive grandparent acting in loco parentis to the child, where the child has resided with the grandparent for a period of not less than one (1) year and the placement is not under the direction of a juvenile court or the department of family services.