The parents, guardians, or near relatives of such children shall be permitted to visit such homes and see the children at any reasonable hour; provided, that the board of supervision or the superintendent shall be empowered to designate certain hours for visitation. No parents, relatives or guardian of any such children shall be allowed to board, take meals or sleep at such homes unless such persons be an employee at such homes and schools.
Okla. Stat. tit. 10, § 136