The Department shall reimburse for services under this chapter when the services are: Provided to a participant who meets the qualifications for eligibility specified in Regulation .02 of this chapter; Preauthorized in the participant's plan of care by the State Department of Education and the multidisciplinary team, as being reasonable and medically necessary to prevent institutionalization; Provided by an approved provider which meets the conditions for participation of this chapter; and Rendered pursuant to: The relevant definition of covered services in this chapter; All other requirements specified in this chapter; and The Autism Waiver proposal and any amendments to it approved by the Secretary of the U.S. Department of Health and Human Services.