The department is hereby authorized to make rules and regulations not inconsistent with the provisions of this title to the end that this title shall be administered uniformly throughout the state, and that the spirit and purpose of this title may be complied with. The department shall have the power to compel compliance with the rules and regulations established by it. Such rules and regulations shall be filed in accordance with the Administrative Procedure Act, as it is now or hereafter amended, and copies shall be available for public inspection in the office of the department and in each county office.
RCW 74.08.090