(a) Prior to entering into or approving a contract for the management of mixed municipal solid waste which would manage the waste using a waste management practice that is ranked lower on the list of preferred waste management practices in section 115A.02, paragraph (b) , than the waste management practice selected for such waste in the county plan for the county in which the waste was generated, a public entity must:
(1) determine the potential liability to the public entity and its taxpayers for managing the waste in this manner;
(2) develop and implement a plan for managing the potential liability; and
(3) submit the information from clauses (1) and (2) to the agency.
(b) For the purpose of this subdivision, "public entity" means the state; an office, agency, or institution of the state; the Metropolitan Council; a metropolitan agency; the Metropolitan Mosquito Control District; the legislature; the courts; a county; a statutory or home rule charter city; a town; a school district; another special taxing district; or any other general or special purpose unit of government in the state.