Cal. Lab. Code § 3862

Any employer entitled to and who has been allowed and has perfected a lien upon the judgment or award in favor of an employee against any third party for damages occasioned to the same employer by payment of compensation, expenses of medical treatment, and any other charges under this act, may enforce payment of the lien against the third party, or, in case the damages recovered by the employee have been paid to the employee, against the employee to the extent of the lien, in the manner provided for enforcement of money judgments generally.