Sch 2 para 19
1 A waste disposal authority shall have regard to the desirability of including in any contract which the authority proposes to enter into for the keeping, treatment or disposal of waste terms or conditions designed to— (a) minimize pollution of the environment or harm to human health due to the disposal or treatment of the waste under the contract; and (b) maximize the recycling of waste under the contract. (2) A waste disposal authority shall be entitled— (a) to invite tenders for any such contract, and (b) to accept or refuse to accept any tender for such a contract and accordingly to enter or not to enter into a contract, by reference to acceptance or refusal of acceptance by persons tendering for the contract of any terms or conditions included in the draft contract in pursuance of sub-paragraph (1) above.