California Code, Vehicle Code - VEH § 16370

The department shall suspend the privilege of any person to operate a motor vehicle upon receiving a certified copy of a judgment, or a certified copy of the register of actions (or a comparable court record of another jurisdiction) in an action resulting in a judgment for damages, and a certificate of facts relative to the judgment, on a form provided by the department, indicating that the person has failed for a period of 30 days to satisfy a judgment rendered against him or her.