(1)In this Part of, and in the Second Schedule to, this Act, unless the context otherwise requires, the following expressions have the meanings hereby assigned to them respectively, that is to say—
“functions” includes powers and duties;
“public authority” means any authority who are either—
(a)a local water authority within the meaning of subsection (4) of section five of the M1Water (Scotland) Act, 1946, or
(b)an authority charged by virtue of any enactment other than this Act with the duty of providing any sewerage service, or a combination of such authorities;
“overspill agreement” has the meaning assigned to it by subsection (1) of section nine of this Act;
“sewerage service” includes sewage disposal service;
“town development scheme” has the meaning assigned to it by subsection (1) of section ten of this Act.
(2)In this Part of, and in the Second Schedule to, this Act—
(a)any reference to water supply includes a reference to the supply of water in bulk under section nineteen of the Water (Scotland) Act, 1946;
(b)any reference to the district of a development corporation shall be construed as a reference to the area designated under the M2New Towns Act, 1946, as the site of the new town for the purposes of which the development corporation has been established.