California Code, Public Utilities Code - PUC § 99251

No claim submitted by an operator pursuant to this chapter shall be approved unless it is accompanied by a certification completed within the last 13 months from the Department of the California Highway Patrol indicating that the operator is in compliance with Section 1808.1 of the Vehicle Code.  The certification may be issued following a terminal inspection, or a terminal reinspection conducted within 60 days thereafter, by the Department of the California Highway Patrol.