CA Gov't Code Section 11340.6

Except where the right to petition for adoption of a regulation is restricted by statute to a designated group or where the form of procedure for such a petition is otherwise prescribed by statute, any interested person may petition a state agency requesting the adoption, amendment, or repeal of a regulation as provided in Article 5 (commencing with Section 11346). This petition shall state the following clearly and concisely:

(a)

The substance or nature of the regulation, amendment, or repeal requested.

(b)

The reason for the request.

(c)

Reference to the authority of the state agency to take the action requested.