Regulation 1 Citation and commencementI1 Northern Ireland These Regulations may be cited as the Offshore Installations (Safety Case) Regulations (Northern Ireland) 2007 and shall come into operation on 21st May 2007. Annotations Commencement I1 Reg. 1 in operation at 21.5.2007, see reg. 1 ← Introduction Regulation 1 Regulation 2 →