3. Work with ionising radiation requiring the designation of controlled or supervised areas under regulation 16 of the Ionising Radiations Regulations (Northern Ireland) 2000(1).
S.R. 2000 No. 375, as amended by S.R. 2001 No. 436, S.R. 2006 No. 205 and revoked in part by S.R. 2001 No. 436, S.R. 2003 No. 510 and S.R. 2003 No. 533