In this Part—
"British fishery limits" has the meaning given by the Fishery Limits Act 1976 (c. 86),
"the continental shelf" means any area designated by Order in Council under section 1(7) of the Continental Shelf Act 1964 (c. 29),
"emergency" has the meaning given by section 19,
"enactment" includes—
"function" means any power or duty whether conferred by virtue of an enactment or otherwise,
"Part" in relation to the United Kingdom has the meaning given by subsection (2),
"public functions" means—
"region" has the meaning given by subsection (2),
"senior Minister of the Crown" has the meaning given by section 20(3),
"serious delay" has the meaning given by section 20(4),
"territorial sea" means the territorial sea adjacent to, or to any Part of, the United Kingdom, construed in accordance with section 1 of the Territorial Sea Act 1987 (c. 49),
"terrorism" has the meaning given by section 1 of the Terrorism Act 2000 (c. 11), and
"war" includes armed conflict.
In this Part—
The following shall have effect for the purpose of subsection (2)—
but only if or in so far as it is expressed to apply for general or residual purposes of any of those Acts or for the purposes of this section.