Pt. 1 Ch. 2: power to transfer functions conferred (25.2.1999) by Social Security Contributions (Transfer of Functions, etc.) Act 1999 (c. 2), ss. 17, 28(2)(c) (with Sch. 8)

Pt. 1 Ch. 2: power to apply and exclude conferred (1.4.1999) by Social Security Contributions (Transfer of Functions, etc.) Act 1999 (c. 2), ss. 23(1), 28(3) (with Sch. 8); S.I. 1999/527, art. 2(b), Sch. 2 (with arts. 3-6)

Pt. 1 Ch. 2 applied (with modifications) by Pension Schemes Act 1993 (c. 48), s. 171(2)(3) (as substituted (5.7.1999) by Social Security Contributions (Transfer of Functions, etc.) Act 1999 (c. 2), s. 28(3), Sch. 7 para. 19(3) (with Sch. 8); S.I. 1999/1662, art 2(b), Sch. Pt. 2 (with art. 4))

Pt. 1 Ch. 2 modified (1.9.1999) by The Child Benefit (Northern Ireland Reciprocal Arrangements) Amendment Regulations 1999 (S.I. 1999/2225), regs. 1(1), 2(2), Sch.

Pt. 1 Ch. 2 modified (1.9.1999) by The Social Security (Northern Ireland Reciprocal Arrangements) Amendment Regulations 1999 (S.I. 1999/2227), regs. 1(1), 2(2), Sch.

Pt. 1 Ch. 2 modified (5.10.1999) by Tax Credits Act 1999 (c. 10), s. 20(2), Sch. 2 para. 21 (with s. 19)

Pt. 1 Ch. 2 power to apply (with modifications) conferred (11.11.1999) by Welfare Reform and Pensions Act 1999 (c. 30), ss. 52(4)(6)(g), 89(4)(a)

Pt. 1 Ch. 2 modified by Social Security Administration Act 1992 (c. 5), s. 2B(1)(3)-(8) (as inserted (11.11.1999) by Welfare Reform and Pensions Act 1999 (c. 30), ss. 57, 89(4)(a))

Pt. 1 Ch. 2: power to apply conferred (8.7.2002) by Tax Credits Act 2002 (c. 21), ss. 61, 63(8)(a)

Pt. 1 Ch. 2 functions transferred (26.2.2003 for specified purposes, 1.4.2003 for specified purposes, 7.4.2003 in so far as not already in force) by Tax Credits Act 2002 (c. 21), ss. 50(2)(e), s. 61, Sch. 4 para. 15; S.I. 2003/392, art. 2