The compact administrator may enter into supplementary agreements with appropriate officials of other states pursuant to the compact. In the event that the supplementary agreement requires or contemplates the use of any institution or facility of the State or requires or contemplates the provision of any service by the State, the supplementary agreement shall have no force or effect until approved by the head of the department or agency under whose jurisdiction the institution or facility is operated or whose department or agency will be charged with the rendering of such service.
HRS § 339K-3