This chapter establishes the methodology by which the Department shall reimburse licensed Community Supported Living Arrangements providers for: Services, the provision of which begins after June 30, 2000; and Existing services provided under contract which the Department shall convert to this rate system. The rates are based on the service needs of the individual and an allowance for indirect expenses incurred by licensees. Reimbursement for supplemental services are for services not covered by the rates. Services reimbursed by the Community Supported Living Arrangements payment system established by this chapter are paid for by Medicaid funds or, in whole or in part, by State general funds. This chapter does not limit the Administration's ability to contract for other services or additional services according to State procurement laws and as set forth in this chapter. The Community Supported Living Arrangements payment system is subject to the budget appropriation approved by the General Assembly. The Administration pays for the most effective service at the most efficient cost.