Washington Revised Code Title 46. Motor Vehicles § 46.55.025. Registration or insurance required--Penalty

A vehicle engaging in the business of recovery of disabled vehicles for monetary compensation, from or on a public road or highway must either be operated by a registered tow truck operator, or someone who at a minimum has insurance in a like manner and amount as prescribed in RCW 46.55.030(3), and have had their tow trucks inspected in a like manner as prescribed by RCW 46.55.040(1). The department shall adopt rules to enforce this section. Failure to comply with this section is a class 1 civil infraction punishable under RCW 7.80.120.