Supplementary agreements.

The compact administrator of the Interstate Compact on Adoption and Medical Assistance may enter into supplementary agreements with appropriate officials of other states pursuant to the compact. If any supplementary agreement requires or contemplates the use of any institution or facility of this state or requires or contemplates the provision of any service by this state, it shall not become effective until approved by the head of the agency under whose jurisdiction the institution or facility is operated or whose agency will be charged with rendering the service.