California Code, Health and Safety Code - HSC § 16013

(1) When the enforcement agency is a local agency, the locally adopted editions of the model codes, as defined in Section 18916, the administrative regulations contained in Part 1 (commencing with Section 1-101) of Title 24 of the California Code of Regulations, and the regulations contained in Part 2 (commencing with Section 101), except for Chapters 23 to 30, inclusive, and Chapter 47 of Title 24 of the California Code of Regulations.

(2) When the enforcement agency is the Office of the State Architect, all parts of the State Building Standards Code, as contained in Title 24 of the California Code of Regulations and adopted by that agency.