All services purchased under this subchapter and ch. 48 and all community-based juvenile delinquency-related services purchased under ch. 938 shall meet standards established by the department and other requirements specified by the purchaser in the contract. Based on these standards the department shall establish standards for cost accounting and management information systems that shall monitor the utilization of the services, and document the specific services in meeting the service plan for the client and the objective of the service.