Enforcement Enforcement 21Enforcement of certain orders. 22Enforcement of Northern Ireland orders: drug trafficking. 23Transfer of certain enforcement powers to the Commissioners of Customs and Excise. Notes on the whole Act Textual amendments F1 Words in Act substituted (22.4.2011) by The Treaty of Lisbon (Changes in Terminology) Order 2011 (S.I. 2011/1043), arts. 2, 3, 6 (with art. 3(2)(3), 4(2), 6(4)(5)) Enforcement