| Clean Air (Northern Ireland) Order 1981 | 1981 No. 158 | art. 2(2) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 15(1) | Yes | |
| Clean Air (Northern Ireland) Order 1981 | 1981 No. 158 | art. 17(3A)-(3C) | inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 15(2) | Yes | |
| Clean Air (Northern Ireland) Order 1981 | 1981 No. 158 | art. 17(7)-(7B) | substituted for art. 17(7) | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 16 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 13(1) | repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 17(2) Sch. 2 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 13(2) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 17(3) | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 13(3)(a) | word inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 17(4) | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 13(3)(b)(c) | repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 17(5) Sch. 2 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 13(5) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 17(6) | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 16(1)(b) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 18(2) Sch. 2 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 18(1)(b) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 18(3) Sch. 2 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | art. 27(1) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 18(4) | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | Sch. 2 para. 1(1)(b) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 18(5) Sch. 2 | Yes | |
| The Environment (Northern Ireland) Order 2002 | 2002 No. 3153 | Sch. 2 para. 4(2)(b) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 18(5) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 30(6)(c)(ia) | inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(2) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 30(6)(c)(iii) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(3) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 30(7) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(4) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 31(2)(a) | words inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(5) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 31(2)(b) | words inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(5) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 107(1) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(2)(a) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 107(1) | words inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(2)(b) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 107(2) | repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(3) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 107(3) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(4)(a) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 107(3)(e) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(4)(b) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 108(5) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(6) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 109(1) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(5) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 109(3) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(6) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 109(5) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 20(7) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 110(4) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(7) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 117 | repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(8) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 124(1) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(8) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(1) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(2) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(1)(a) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(3) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(1)(a)(b) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(4) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(1)(b) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(5) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(3) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(6) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(4) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(7) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(4)(a)(i) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(8) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(4)(a)(ii) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(9) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(7) | words inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(10)(a) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(7) | word substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(10)(b) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(7)(a) | words inserted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(10)(c) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(7)(c) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(10)(d) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(8) | repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(11) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(9) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(12) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 125(11) | words repealed | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 21(13) Sch. 2 | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 259(2) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 22(2) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 259(7) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 22(2) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 259(8) | substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 22(3) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 267(3)(a) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(9) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 300(2)(a) | words substituted | Environmental Better Regulation Act (Northern Ireland) 2016 | 2016 c. 13 | s. 19(10) | Yes | |