Sec. 20. (a) The state department shall adopt rules under IC 4-22-2 to govern the procedure for the following:
(1) Issuing, renewing, denying, or revoking a personal services agency license.
(2) Investigating a complaint against a personal services agency that alleges a violation of this chapter.
(3) Collecting fees required under this chapter.
(b) The state department may not add to the substantive or procedural requirements in this chapter.