If provision is made by Northern Ireland legislation for purposes corresponding to any of the purposes of this Act, other than an excepted provision, the Secretary of State may, with the consent of the Treasury, make reciprocal arrangements with the appropriate Northern Ireland authority for co-ordinating the relevant provisions of this Act with the corresponding provisions of the Northern Ireland legislation so as to secure that they operate, to such extent as may be provided by the arrangements, as a single system.
The following provisions of this Act are excepted provisions for the purposes of subsection (1)—
The Secretary of State may make regulations for giving effect to any arrangements made under subsection (1).
Regulations under subsection (3) may make different provision for different cases.
Such regulations may provide that the relevant provisions of this Act have effect in relation to persons affected by the arrangements subject to such modifications and adaptations as may be specified in the regulations, including provision—
In this section "the appropriate Northern Ireland authority" means such authority as may be specified in the Northern Ireland legislation.