# The Ionising Radiations (Outside Workers) Regulations 1993, Paragraph 1


Individual serial number of the passbook.

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Source: https://www.legislation.gov.uk/uksi/1993/2379/schedule/paragraph/1 (the official version)
Page: https://openlegislation.uk/ionising-radiations-outside-workers-regulations-1993/schedule/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.