# The Fertilisers Regulations 1991, Paragraph 4


No limits of variation shall be permitted in respect of the minimum and maximum contents specified in the third column of the following table, save those prescribed in paragraph 6.

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Source: https://www.legislation.gov.uk/uksi/1991/2197/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/fertilisers-regulations-1991/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.