California Code, Government Code - GOV § 6219

(a) Each department, commission, office, or other administrative agency of state government shall write each document that it produces in plain, straightforward language, avoiding technical terms as much as possible, and using a coherent and easily readable style.

(b) As used in this section, a “state agency document” means any contract, form, license, announcement, regulation, manual, memorandum, or any other written communication that is necessary to carry out the agency's responsibilities under the law.