California Code, Code of Civil Procedure - CCP § 185

(a) Every written proceeding in a court of justice in this state shall be in the English language, and judicial proceedings shall be conducted, preserved, and published in no other.Nothing in this section shall prohibit a court from providing an unofficial translation of a court order issued pursuant to Section 527.6 or 527.8 of the Code of Civil Procedure, or Part 1 (commencing with Section 6200) of Division 10 of the Family Code, or Section 136.2 of the Penal Code, in a language other than English.

(b) The Judicial Council shall, by July 1, 2001, make available to all courts, translations of domestic violence protective order forms in languages other than English, as the Judicial Council deems appropriate, for protective orders issued pursuant to Section 527.6 or 527.8 of the Code of Civil Procedure, or Part 1 (commencing with Section 6200) of Division 10 of the Family Code, or Section 136.2 of the Penal Code.