# The Radioactive Substances (Electronic Valves) Exemption Order 1967, Article 7: Exemption under section 1 subject to conditions


The exemption granted by Article 3 of this order in respect of the keeping and use of a class 2 valve is granted subject to the conditions that—
(a) not more than ten class 2 valves (excluding those incorporated in exempted articles) are on the premises at any time; and
(b) when not in use, the valve is kept in a container (except when removed for any necessary testing or inspection) marked with, or having attached or affixed to it a label bearing, the words “Radioactive electronic valve” in letters of adequate size, distinctly and legibly printed and conspicuously visible.

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Source: https://www.legislation.gov.uk/uksi/1967/1797/article/7 (the official version)
Page: https://openlegislation.uk/radioactive-substances-electronic-valves-exemption-order-1967/article-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.