In the event that liens are filed with the school district, the provisions of RCW 60.28.010 through 60.28.060 shall apply. If the district holds a cash retainage under WAC 392-344-147 (2)(a), the amount of each lien plus three thousand dollars or twenty-five percent of the claim, whichever is greater, for potential attorney fees, plus ten percent of the lien claim for court costs, shall be withheld from the retainage until any lien has been removed.