# The Feeding Stuffs Regulations 1991, Paragraph 7


No material shall contain any added trace element other than one from a source specified in columns 3 and 4 of Part VI, and no material shall contain any trace element from a source so specified in proportions which—
(a) taking account of any such trace element which is naturally present exceed, in respect of animals (if any) listed opposite the trace element in question in column 5, the maximum content specified in relation thereto in column 6 of that Part; or
(b) does not comply with the conditions (if any) specified in respect of that source in column 7 of that Part.

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Source: https://www.legislation.gov.uk/uksi/1991/2840/schedule/4/paragraph/7 (the official version)
Page: https://openlegislation.uk/feeding-stuffs-regulations-1991/schedule-4/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.