3.—(1) The arrangements for a single system of social security investigation powers in Great Britain and Northern Ireland set out in the Memorandum reproduced in Schedule 1 shall have effect in Great Britain.
(2) The 1992 Act shall have effect subject to such adaptations as may be required for the purpose of giving effect to those arrangements.
(3) In particular (and without prejudice to the generality of paragraph (2) and so far as may be required for the purpose mentioned in that paragraph)—
(a)an act, omission or event referred to in a provision of the Northern Ireland legislation specified in column 2 of the table in Schedule 2 shall be deemed to be an act, omission or event under the provision of the 1992 Act specified in the corresponding paragraph of column 1 of that table; and
(b)in the provisions specified in column 1 of that table—
(i)references to the Secretary of State shall be construed as including references to the Department for Social Development in Northern Ireland, and
(ii)references to an authority administering housing benefit or council tax benefit shall be construed as including the Northern Ireland Housing Executive.
1998 c. 47. While section 1 of the Northern Ireland Act 2000 (c. 1) is in force, the power of a Northern Ireland Minister to make arrangements with the Secretary of State under section 87(2) of the 1998 Act may be discharged by the department of which he was in charge: see paragraph 4(1)(b) of the Schedule to the 2000 Act.