The executive commissioner shall adopt rules to implement and administer this chapter, including:
(1) procedures and guidelines for determining eligibility standards relating to financial qualifications and the need for services and for determining eligibility criteria for selecting clients to receive assistance;
(2) standards and procedures for approving qualified programs and support services;
(3) procedures for conducting a periodic review of clients;
(4) procedures and guidelines for determining when assistance duplicates other support programs or results in excessive support to a client;
(5) reasonable payment rates for qualified programs and support services under this chapter; and
(6) a copayment system in accordance with Section 35.007.