| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | Regulations | applied | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 2(3) | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 1 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 2(1) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 3 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 4(1)(4) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 5 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 6 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 7(1)(4) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 8 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 9(1) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 10(1) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 11(1)(2) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 12(1)(2) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 13 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 14 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 15(1)(4) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 16 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 17(1)(2)s. 17(3)(a)-(e)(4)(5) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 18 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 19(1)s. 19(2)(a)-(c)(5)(6) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 20 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 21 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 22 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 23 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 24(2)(3)(4) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 26(1)-(5) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 27(1)-(3)(6)-(8) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | s. 33(1)(a)(b)(2)(3) | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 3 para. 22 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 3 para. 23 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 3 para. 24 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 3 para. 25 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 3 para. 26 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | Sch. 14 Pt. 1 | coming into force | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2015/33 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 9 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2013/983 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2013/1511 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2013/2657 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2013/2846 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2014/209 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2014/1583 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2014/2321 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| Welfare Reform Act 2012 | 2012 c. 5 | specified provision(s) | amendment to earlier commencing S.I. 2015/101 | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8 | Yes | |
| The Universal Credit, Personal Independence Payment, Jobseeker’s Allowance and Employment and Support Allowance (Claims and Payments) Regulations 2013 | 2013 No. 380 | Regulations | applied | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 2(2) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 3(6) | applied | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3(4) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 3A | applied | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 3(5) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 3A(3) | words inserted | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8(1)(2)(3) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 4 | applied in part | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4(6) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 5 | applied in part (with modifications) | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 4(7)(8) | Yes | |
| The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 | 2013 No. 983 | art. 5A(3) | substituted | The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 | 2015 No. 634 | art. 8(4)(5) | Yes | |