'(1) The Secretary of State shall—
(a) within twelve months put before Parliament a strategy to deliver a year on year decrease in the volume of waste sent to landfill that shall be commensurate with statutory reductions in the weight and volume of waste sent to landfill as required by Clause One; and
(b) report to Parliament as to progress by area, every twelve months thereafter and that report shall detail the amount by both weight and volume.
(2) The strategy to decrease the volume of waste sent to landfill shall ensure that the volume of waste sent to landfill shall be reduced according to a formula, which the Secretary of State shall specify, which accurately measures the significance of waste by volume against waste by weight.'.