A regulatory agency receives its power to adopt laws from statutes. This authority is cited at the end of each regulation. The CCR is available at the offices of County Clerks or County Law Libraries and 100 state depository libraries. It is available in looseleaf form from the publisher, West Group. Regulations are also available from the state agency which adopted the regulation.
Some material is incorporated by reference in regulations.
You may contact the individual state agency to determine availability of its regulations or incorporated material. Title 24 of the California Code of Regulations, known as California Building Standards, contains copyrighted materials under the ownership of several model code publishers and cannot be provided here. The eleven parts of Title 24 that comprise California's Building Standards are available for review at depository libraries, or for purchase in paper format from the copyright holders and selected vendors. Yes, agencies are to follow the procedures set forth in the Administrative Procedure Act. The APA sets forth the procedures that state agencies must follow when adopting regulations.