Civil Defence Act 1948

5 Civil defence obligations of constables, firemen, etc., and of members of civil defence forces and services

It is hereby declared that members of police forces and fire brigades, and, if and so far as provision in that behalf is made by regulations of the designated Minister, employees of local authorities or police authorities employed primarily for purposes other than civil defence purposes, are, as such, under a duty to comply with requirements as to training for and taking part in any form of civil defence for the time being recognised by the designated Minister as appropriate to be undertaken by those forces and brigades and their members respectively or, as the case may be, as appropriate to be undertaken by employees of the class in question having regard to the nature of the work for which those employees are primarily employed.