The department shall operate a children's autism program to provide services to children with autism spectrum disorders. The executive commissioner shall adopt rules for the program that include:
(1) a system of organization for the delivery of the autism services;
(2) eligibility requirements for the autism services;
(3) the types of services that may be provided to a client under the program; and
(4) requirements for participation by the client's family in the costs of the autism services.