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 Northern Ireland.
(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 Great Britain 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 Department shall be construed as including references to the Secretary of State, and
(ii)references to the Northern Ireland Housing Executive shall be construed as including an authority administering housing benefit or council tax benefit.