You must retain records of the operators trained on each model of elevating work platform for at least:
Wash. Admin. Code § 296-869-50015
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 06-19-073, § 296-869-50015, filed 9/19/06, effective 1/1/07.