General and supplementary provisions

Short title, commencement and extent.
23
1
This Act may be cited as the Social Security Act 1990; and this Act, other than section 15, and the Social Security Acts 1975 to 1989 may be cited together as the Social Security Acts 1975 to 1990.
2
Apart from the provisions specified in subsection (3) below, this Act shall not come into force until such day as the Secretary of State may by order appoint; and different days may be so appointed for different provisions or different purposes of the same provision.
3
The provisions referred to in subsection (2) above are the following—
a
sections 3(6), 5, 6, 7, 10, 15, other than subsection (11), 16(1), (4) to (8) and (10), 18, 19, 20, 21(3), 22 and this section;
b
Schedule 1;
c
paragraphs 6, 8, 9 and 15 of Schedule 4 (and section 14 so far as relating to those provisions);
d
paragraphs 2 to 9, 12 to 15, 17, 18, 19, 21, 26, 27 and 30 of Schedule 6 (and section 21 so far as relating to those provisions);
e
the amendments in that Schedule to the extent that they are consequential on any provision specified in paragraphs (a) to (d) above (and section 21 so far as relating to any such amendments); and
f
the repeals in Schedule 7 to the extent that they are consequential on any provision specified in paragraphs (a) to (e) above (and section 21 so far as relating to those repeals).
4
Where any enactment repealed or amended by this Act extends to any part of the United Kingdom, the repeal or amendment extends to that part.
5
The following provisions of this Act extend to Northern Ireland, namely—
a. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
b
. . . this section;
c
paragraph 5(1) and (3) of Schedule 1;
d. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
and paragraph 5(4) of Schedule 1 extends to Northern Ireland only.
6
Except as provided by this section, this Act does not extend to Northern Ireland.
Power of appointment conferred by s. 23(2) partly exercised: S.I. 1990/1446, 1942; 1991/558; 1992/632, 1532
S. 23(2) power partly partly exercised by S.Is. 1990/1446, 1990/1942, 1991/558
S. 23(2) power partly exercised (21.5.1997): 9.6.1997 appointed for specified provisions by S.I. 1997/1370, art. 2
S. 23(2) power partly exercised (10.3.1992): 6.4.1992 appointed for specified provisions by S.I. 1992/632.
S. 23(2) power partly exercised (26.6.1992): 29.6.1992 appointed for specified provisions by S.I. 1992/1532.
S. 23(5)(a) repealed (7.2.1994) by 1993 c. 48, s. 188, Sch. 5 Pt.I; S.I. 1994/86, art. 2
Words in s. 23(5)(b) repealed (7.2.1994) by 1993 c. 48, s. 188, Sch. 5 Pt.I; S.I. 1994/86, art. 2
S. 23(5)(d) repealed (7.2.1994) by 1993 c. 48, s. 188, Sch. 5 Pt.I; S.I. 1994/86, art. 2