California Code, Health and Safety Code - HSC § 41230

(a) The Mojave Desert district board shall adopt rules and regulations that are not in conflict with state and federal laws, rules, and regulations and that reflect the best available technological and administrative practices.

(b) The rules and regulations shall require the level of control necessary to achieve the emission reduction requirements of the California Clean Air Act of 1988 (Chapter 1568 of the Statutes of 1988), pursuant to Sections 40913, 40914, and 40915.

(c) The rules, regulations, and resolutions of the San Bernardino County Air Pollution Control District shall remain in effect and shall be enforced by the Mojave Desert district, until superseded or amended by the Mojave Desert district board.