Cal. WIC § 213.6

(a) If a person named in a temporary restraining order or emergency protective order issued under this part is personally served with the order and notice of hearing with respect to a subsequent restraining order or protective order based thereon, but the person does not appear at the hearing either in person or by counsel, and the terms and conditions of the restraining order or protective order are identical to those of the prior temporary restraining order, except for the duration of the order, the subsequent restraining order or protective order may be served on the person by first-class mail sent to that person at the most current address for the person available to the court.

(b) The judicial forms for temporary restraining orders or emergency protective orders issued under this part shall contain a statement in substantially the following form:

“If you have been personally served with a temporary restraining order or emergency protective order and notice of hearing, but you do not appear at the hearing either in person or by counsel, and a restraining order or protective order is issued at the hearing that does not differ from the prior temporary restraining order or protective order except with respect to the duration of the order, a copy of the order will be served upon you by mail at the following address: ____ . If that address is not correct or if you wish to verify that the temporary order was made permanent without substantive change, call the clerk of the court at ____.”