Washington Revised Code Title 70. Public Health and Safety § 70.54.160. Public restrooms--Pay facilities--Penalty

(1) Every establishment which maintains restrooms for use by the public shall not discriminate in charges required between facilities used by men and facilities used by women.

(2) When coin lock controls are used, the controls shall be so allocated as to allow for a proportionate equality of free toilet units available to women as compared with those units available to men, and at least one-half of the units in any restroom shall be free of charge. As used in this section, toilet units are defined as constituting commodes and urinals.

(3) In situations involving coin locks placed on restroom entry doors, admission keys shall be readily provided without charge when requested, and notice as to the availability of the keys shall be posted on the restroom entry door.

(4) Any owner, agent, manager, or other person charged with the responsibility of the operation of an establishment who operates such establishment in violation of this section is guilty of a misdemeanor.