(a) The commission may adopt rules necessary to implement its powers and duties under this chapter.
(b) A rule adopted under this section is binding on a state agency on filing of the rule with the secretary of state.

(c) The commission shall prepare and publish a manual to assist using agencies in complying with this chapter and commission rules.
(d) Copies of the manual required by this section shall be:
(1) distributed to using agencies; and
(2) available to architects, engineers, contractors, and others who need and request copies.