US lawCaliforniaStatutesCode civDivision 3Part 4Title 9Chapter 1Article 22309Cal. CIV § 2309Cal. CIV § 2309Last amended: 1872Year: 2025Length: 33 wordsOfficial source An oral authorization is sufficient for any purpose, except that an authority to enter into a contract required by law to be in writing can only be given by an instrument in writing.PreviousCal. CIV § 2308NextCal. CIV § 2310