| The Social Security (Invalid Care Allowance) Regulations 1976 | 1976 No. 409 | reg. 9(1) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 2(2) | Yes | |
| The Social Security (Invalid Care Allowance) Regulations 1976 | 1976 No. 409 | reg. 9C | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 2(3) | Yes | |
| The Social Security (Widow’s Benefit and Retirement Pensions) Regulations 1979 | 1979 No. 642 | reg. 1(2) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 3(2) | Yes | |
| The Social Security (Widow’s Benefit and Retirement Pensions) Regulations 1979 | 1979 No. 642 | reg. 7(e) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 3(3)(a) | Yes | |
| The Social Security (Widow’s Benefit and Retirement Pensions) Regulations 1979 | 1979 No. 642 | reg. 7(g) | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 3(3)(b) | Yes | |
| The Income Support (General) Regulations 1987 | 1987 No. 1967 | reg. 42(2B) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 4 | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 3(1)(d)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(2)(a)(i) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 3(1)(d)(i) | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(2)(a)(ii) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 3(1)(d)(ii) and word | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(2)(b) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 7(6)(b)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(3)(a) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 7(6)(b)(ii) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(3)(b) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 32(5)(b)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(4)(a) | Yes | |
| The Social Security (Claims and Payments) Regulations 1987 | 1987 No. 1968 | reg. 32(5)(b)(ii) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 5(4)(b) | Yes | |
| The Social Security (Attendance Allowance) Regulations 1991 | 1991 No. 2740 | reg. 2(1) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 6(2) | Yes | |
| The Social Security (Attendance Allowance) Regulations 1991 | 1991 No. 2740 | reg. 2C | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 6(3) | Yes | |
| The Social Security (Disability Living Allowance) Regulations 1991 | 1991 No. 2890 | reg. 2(1) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 7(2) | Yes | |
| The Social Security (Disability Living Allowance) Regulations 1991 | 1991 No. 2890 | reg. 2C | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 7(3) | Yes | |
| The Jobseeker’s Allowance Regulations 1996 | 1996 No. 207 | reg. 105(4) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 8 | Yes | |
| The Social Security and Child Support (Decisions and Appeals) Regulations 1999 | 1999 No. 991 | reg. 3(7CD) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 9 | Yes | |
| The State Pension Credit Regulations 2002 | 2002 No. 1792 | reg. 15(3) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 10(2)(a)(i) | Yes | |
| The State Pension Credit Regulations 2002 | 2002 No. 1792 | reg. 15(3) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 10(2)(a)(ii) | Yes | |
| The State Pension Credit Regulations 2002 | 2002 No. 1792 | reg. 15(4)(e)(f) | added | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 10(2)(b) | Yes | |
| The State Pension Credit Regulations 2002 | 2002 No. 1792 | reg. 18(3) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 10(3) | Yes | |
| The Housing Benefit Regulations 2006 | 2006 No. 213 | reg. 86(7)(b)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 11(a) | Yes | |
| The Housing Benefit Regulations 2006 | 2006 No. 213 | reg. 86(7)(b)(ii) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 11(b) | Yes | |
| The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 | 2006 No. 214 | reg. 29(3) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 12(2)(a) | Yes | |
| The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 | 2006 No. 214 | reg. 29(4)(e)(f) | added | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 12(2)(b) | Yes | |
| The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 | 2006 No. 214 | reg. 41(5) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 12(3) | Yes | |
| The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 | 2006 No. 214 | reg. 67(7)(b)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 12(4)(a) | Yes | |
| The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 | 2006 No. 214 | reg. 67(7)(b)(ii) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 12(4)(b) | Yes | |
| The Employment and Support Allowance Regulations 2008 | 2008 No. 794 | reg. 106(6) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 13 | Yes | |
| The Social Security (Personal Independence Payment) Regulations 2013 | 2013 No. 377 | reg. 23A | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 14 | Yes | |
| The Universal Credit, Personal Independence Payment, Jobseeker’s Allowance and Employment and Support Allowance (Claims and Payments) Regulations 2013 | 2013 No. 380 | reg. 41(3)(b)(i) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 15(a) | Yes | |
| The Universal Credit, Personal Independence Payment, Jobseeker’s Allowance and Employment and Support Allowance (Claims and Payments) Regulations 2013 | 2013 No. 380 | reg. 41(3)(b)(ii) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 15(b) | Yes | |
| The Universal Credit, Personal Independence Payment, Jobseeker’s Allowance and Employment and Support Allowance (Decisions and Appeals) Regulations 2013 | 2013 No. 381 | reg. 6(3) | word substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 16 | Yes | |
| The State Pension Regulations 2015 | 2015 No. 173 | reg. 35(3)(4) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 17(2) | Yes | |
| The State Pension Regulations 2015 | 2015 No. 173 | reg. 35(5) | word substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 17(3)(a) | Yes | |
| The State Pension Regulations 2015 | 2015 No. 173 | reg. 35(5)(a) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 17(3)(b) | Yes | |
| The State Pension Regulations 2015 | 2015 No. 173 | reg. 35(5)(c) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations 2017 | 2017 No. 1015 | reg. 17(3)(b) | Yes | |