Upon receipt, the department shall immediately provide the utilities and transportation commission with a copy of each preliminary draft local comprehensive solid waste management plan. Within forty-five days after receiving a plan, the commission shall have reviewed the plan's assessment of solid waste collection cost impacts on rates charged by solid waste collection companies regulated under chapter
81.77 RCW and shall advise the county or city submitting the plan and the department of the probable effect of the plan's recommendations on those rates.