Regulation 6 EnforcementI1 Northern Ireland Not yet in force Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: reg. 6 coming into force by Marking of Plastic Explosive for Detection 1996 reg. 1 The Chief Constable of the Royal Ulster Constabulary shall be the enforcing authority for these Regulations. Annotations Commencement I1 Reg. 6 in operation at 31.7.1997, see reg. 1 ← Regulation 5 Regulation 6 Signature →