CA Gov't Code Section 30035.8

Any action by the department to adopt and update instructions to any state or local agency for the purpose of carrying out the department’s obligations pursuant to this chapter constitutes a department action to adopt and update instructions for the preparation, development, or administration of the state budget pursuant to Section 11357 and is exempt from the rulemaking provisions of the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2).