18929.5.
(a) In addition to the authority provided pursuant to Sections 17958.7 and 18941.5, any local agency that has responsibility for the enforcement of state building standards may submit for adoption and approval by the commission one or more building standards if all of the following requirements are met:(1) The local agency complies with the procedures for the annual code adoption cycle adopted by the commission pursuant to Section 18929.1.
(2) A local agency that proposes adoption of a model code, national standard, or specification references the most recent edition of applicable mode codes, national standards, or specifications.
(3) The building standard is accompanied by an analysis written by the local agency that proposes the building standard. This analysis shall, to the satisfaction of the commission, justify the adoption and approval of the building standard in terms of the criteria described in paragraphs (1) to (9), inclusive, of subdivision (a) of Section 18930.
(4) The local agency pays annually to the commission a proportionate share of the cost of the review and publication of building standards that are published or proposed to be published in the California Building Standards Code.
(5) The building standard is, whenever practicable, written on a performance basis consistent with state and nationally recognized standards for building construction in view of the use and occupancy of each structure to preserve and protect the public health and safety.
(b) In accordance with the requirements of subdivisions (b) to (f), inclusive, of Sections 18930, the commission shall codify, including publish, all building standards of local agencies that propose building standards pursuant to this section into the California Building Standards Code.