The commissioner shall adopt rules to implement the provisions of this article which may include fee differentials for smaller, self-service storage facilities. The rules shall be adopted as emergency regulations in accordance with Chapter 3.5 (commencing with Section 11340) of Division 3 of Title 2 of the Government Code, and for the purposes of that chapter, including Section 11349.6 of the Government Code, the adoption of rules shall be considered by the Office of Administrative Law to be necessary for the immediate preservation of the public peace, health and safety, and general welfare.