Wash. Rev. Code § 19.94.565
(1) By January 1, 2023, the department, in consultation with the department of commerce and the Washington utilities and transportation commission, must adopt rules requiring all electric vehicle service providers make available multiple payment methods at all publicly available level 2 electric vehicle supply equipment or direct current fast charger electric vehicle supply equipment installed in Washington and may review and, if necessary, amend the rules every two years, to maintain consistency with evolving technology. At a minimum, the rules must include:
(e) Minimum required payment methods that are convenient and reasonably support access for all current and future users at publicly available level 2 electric vehicle supply equipment and direct current fast charger electric vehicle supply equipment installed in Washington. Payment methods may include, but are not limited to:
[ 2021 c 238 s 5.]