# Northern Ireland Constitution Act 1973, Section 43: Short title, interpretation and commencement.

Extent: E+W+S+N.I.

(1) This Act may be cited as the Northern Ireland Constitution Act 1973.
(2) In this Act—
“the appointed day” means the day appointed under section 2 above for the commencement of Part II of this Act;
. . .
. . .
“enactment” includes an enactment of the Parliament of Northern Ireland;
“functions” includes powers and duties;
. . .
“Northern Ireland” has the same meaning as for the purposes of the Government of Ireland Act 1920;
“Northern Ireland executive authorities” has the meaning given in section 7(6) above;
. . .
. . .
(3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4) Any reference in this Act to any enactment is a reference to that enactment as amended by, and includes a reference to that enactment as extended or applied by, any other enactment including this Act.
(5) Part I of this Act and, except where otherwise stated, Parts IV and V of this Act shall come into force at the passing of this Act.
(6) Part III of this Act shall come into force on a day specified in an order made by the Secretary of State by statutory instrument, and different days may be specified under this subsection for different provisions of Part III.

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Source: https://www.legislation.gov.uk/ukpga/1973/36/section/43 (the official version)
Page: https://openlegislation.uk/northern-ireland-constitution-act-1973/section-43
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.