13. The operator of a landfill shall ensure that the charges the operator makes for the disposal of waste in its landfill covers all of the following–
(a)the costs of setting up and operating the landfill;
(b)the costs of the financial provision required by regulation 4(3)(b) of the 2000 Regulations; and
(c)the estimated costs for the closure and after-care of the landfill site for a period of at least 30 years from its closure.