Regulation 3 Meaning of “controlled substances”I1 Northern Ireland References in these Regulations to “controlled substances” are references to those substances in Annex I to the EU Regulation as amended from time to time. Annotations Commencement I1 Reg. 3 in operation at 31.7.2011, see reg. 1(1) ← Regulation 2 Regulation 3 Regulation 4 →