Pt. III power to modify conferred by Social Security Administration Act 1992 (c. 5), s. 148 (as read with Pensions Act 1995 (c. 26), ss. 128(3)(4), 180(2) (with s. 128(5)(6)); Child Support, Pensions and Social Security Act 2000 (c. 19), ss. 33(2)-(4), 86(1)(b)(2))

Pt. III: power to modify conferred (1.6.1996 for specified purposes, 6.4.1997 in so far as not already in force) by Pensions Act 1995 (c. 26), ss. 149(1), 180(1); S.I. 1996/778, art. 2(6); S.I. 1997/664, art. 2(3), Sch. Pt. 2

Pt. III applied (with modifications) (6.4.1997) by The Occupational Pension Schemes (Mixed Benefit Contracted-out Schemes) Regulations 1996 (S.I. 1996/1977), regs. 1(1), 2(4)(a)-(f)

Pt. III: power to transfer functions conferred (1.4.1999) by Social Security Contributions (Transfer of Functions, etc.) Act 1999 (c. 2), ss. 23, 28(3); S.I. 1999/527, art. 2(b), Sch. 2 (with arts. 3-6)

Pt. 3 modified (24.7.2014) by The Pensions Act 2011 (Transitional, Consequential and Supplementary Provisions) Regulations 2014 (S.I. 2014/1711), regs. 1(1), 7(2); S.I. 2014/1683, art. 2