All school buses must be inspected and approved by a Washington state patrol inspection officer prior to initial issue or reissue of a school bus operation permit.
Wash. Admin. Code § 392-143-031
Statutory Authority: RCW 46.61.380. 12-01-075, § 392-143-031, filed 12/19/11, effective 1/19/12; 04-08-117, § 392-143-031, filed 4/6/04, effective 5/7/04; 91-23-069 (Order 22), § 392-143-031, filed 11/19/91, effective 11/19/91.