# The Producer Responsibility Obligations (Packaging Waste) Regulations 1997, Paragraph 2


(1) The amount of packaging waste to be recovered by a producer in relation to a class of producer to which he belongs is calculated as follows—
P×C×X=Z where—
P is the amount in tonnes to the nearest tonne of packaging and packaging materials handled by the producer in the preceding year,
C is the percentage prescribed in paragraph 3 below in relation to the class of producer,
X is the percentage prescribed in paragraph 4 below as the recovery target for the relevant year, and
Z is the amount by tonnage of packaging waste which is to be recovered within the relevant year.
(2) The proportion of the packaging waste referred to in sub-paragraph (1) above which is to be recovered by recycling is, for the year 2001 and subsequent years, in relation to a class of producer to which the producer belongs, not less than 50% of the amount by tonnage of packaging waste represented by “Z” in sub-paragraph (1) above.
(3) The obligations of a producer to recover by recycling an amount of packaging materials which is packaging waste in relation to a class of producer to which he belongs are calculated in relation to each packaging material which he handled in the preceding year, as follows—
M×C×Y=Q where—
M is the amount in tonnes to the nearest tonne of the packaging material handled by the producer in the preceding year,
C is the percentage prescribed in paragraph 3 below in relation to the class of producer,
Y is the percentage prescribed in paragraph 5 below as the recycling target for the relevant year, and
Q is the amount by tonnage of packaging waste of that packaging material which is to be recycled in the relevant year.

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Source: https://www.legislation.gov.uk/uksi/1997/648/schedule/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/producer-responsibility-obligations-packaging-waste-regulations-1997/schedule-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.