For the 1991–92 fiscal year, each county shall, no later than October 1, 1991, submit to the department a simplified performance contract. The performance contract shall contain information that the department determines necessary for the provision and funding of mental health services provided for in law. The performance contract shall include, but not be limited to, assurances necessary to ensure compliance with federal law. In addition, the performance contract may include provisions governing reimbursement to the state for costs associated with state hospitals and institutions for mental disease.