Each state-operated facility for persons with psychiatric disabilities shall develop a written policy detailing requirements for individual patient treatment plans and methods for patient evaluation. A committee of at least three members of the facility’s medical personnel shall be appointed by the head of such facility for the purpose of reviewing such treatment plans and patient evaluations. Such review shall include, but not be limited to, an evaluation of medication being administered at such facility. The purposes of this section shall be carried out within the budget limits of each such facility.