California CodesBusiness and Professions Code - BPCGeneral ProvisionsSection 11
Writing includes any form of recorded message capable of comprehension by ordinary visual means. Whenever any notice, report, statement, or record is required by this code, it shall be made in writing in the English language unless it is otherwise expressly provided.
Notes
Defines “writing” to include any recorded message understandable by ordinary visual means. Requires every notice, report, statement, or record mandated by the code to be in writing and in English unless the code expressly provides otherwise, making the language and format rules default requirements subject to explicit exceptions.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 11 | https://laws.lexinter.net/codes/california/business-and-professions-code/general-provisions/section-11