Modifications etc. (not altering text)
C1Pt. III (ss. 17-23) modified (N.I.) (1.7.1992) by Social Security Administration (Northern Ireland) Act 1992 (c. 8), ss. 167(2), 168(4) (with ss. 153(5), 161, Sch. 6 para. 1(7))
C2Pt. III (ss. 17-23) modified (N.I.) (7.2.1994) by 1993 c. 49, ss. 176(8), 186(2)
Textual Amendments
F1S. 21 repealed (2.12.1999) by 1998 c. 47, s. 100(2), Sch. 15; S.I. 1999/3209, art. 2, Sch.