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Paragraph 149 F1

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

Standards for, and testing of, biological substances (that is, substances the purity or potency of which cannot be adequately tested by chemical means).

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Textual amendments

F1

Schs. 7A, 7B substituted for Sch. 7 (1.4.2018) by Wales Act 2017 (c. 4), s. 71(3), Sch. 1 (with Sch. 7 paras. 1, 2, 6); S.I. 2017/1179, reg. 2