Washington Revised Code Title 81. Transportation § 81.24.050. Fees to approximate reasonable cost of regulation

In fixing the percentage rates of gross operating revenue to be paid by companies under RCW 81.24.010, 81.24.020, and 81.24.030, the commission shall consider all moneys then in the public service revolving fund and the fees currently to be paid into such fund, to the end that the fees collected from the companies, or classes of companies, covered by each respective section shall be approximately the same as the reasonable cost of supervising and regulating such companies, or classes of companies, respectively.