# The Feeding Stuffs Regulations 2000, Paragraph 5


(1) Any material may contain any added vitamin (not being vitamin A, D2 or D3) or any pro-vitamin or chemically well defined substance having a similar effect.
(2) No material may contain any added vitamin A, D2 or D3 unless—
(a) the material is for a species or category of animal listed opposite the vitamin in question in column 3 of Part IV;
(b) taking into account any such vitamin as is naturally present, the maximum content (if any) specified in relation thereto in column 4 of that Part is not exceeded; and
(c) the material complies with the conditions (if any) specified in relation thereto in column 5 of that Part.

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Source: https://www.legislation.gov.uk/uksi/2000/2481/schedule/3/paragraph/5 (the official version)
Page: https://openlegislation.uk/feeding-stuffs-regulations-2000/schedule-3/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.