California Code, Health and Safety Code - HSC § 18926

(1) The council or any member of the council shall, when called and directed in writing by the executive director, work with and assist an agency proposing building standards or adopting building standards, or both, in the development of proposals for building standards.

(2) When a state agency contemplates the adoption of any building standard, it shall, prior to commencing any action to prepare a draft of the proposal, advise the executive director, in writing, of that intent and request the executive director to call the council, or any member of the council, as appropriate, for assistance.

(3) Whenever the commission returns for amendment, or rejects any proposed building standard, and one of the reasons for that action is that approval of the proposal would create a conflict with existing building standards of other adopting agencies, the executive director shall call the council or any member of the council, as appropriate, to assist in the elimination of the conflict.

(4) The council shall draft proposed building standards which the commission is authorized to adopt pursuant to Section 18933 for the consideration of the commission and approval, utilizing the criteria of Section 18930.