Wash. Rev. Code § 46.61.715
(1) A local authority may regulate the operation of motorized foot scooters and shared scooters within its jurisdiction which may include, but is not limited to, the following:
(3) For the purposes of this section:
(a) "Scooter share program" means a person offering shared scooters for hire. All scooter share programs must carry the following insurance coverage:
[ 2019 c 170 s 5.]