Before operating a center, the provider shall submit to the Intermediary a program plan which describes the: Services to be provided; Manner in which the services are provided; Staff to carry out the program and training plans for the staff. The provider: Shall employ staff of the type and qualifications as required by the program plan; May use volunteers in the program and train and supervise them as required by the program plan; Shall operate the center during the day, evenings, and weekends as necessary to meet the parents' needs according to the program plan. The program plan shall describe the methods to be used to refer parents to other agencies that provide services not available at the center.