California Code, Family Code - FAM § 6304

When making a protective order, as defined in Section 6218, where both parties are present in court, the court shall inform both the petitioner and the respondent of the terms of the order, including notice that the respondent is prohibited from owning, possessing, purchasing, or receiving or attempting to own, possess, purchase, or receive a firearm or ammunition, and including notice of the penalty for violation.Information provided shall include how any firearms or ammunition still in the restrained party's possession are to be relinquished, according to local procedures, and the process for submitting a receipt to the court showing proof of relinquishment.