In the M1Rural Water Supplies and Sewerage Act 1944, local authorities, for the purposes of section 1, shall, in relation to sewerage or the disposal of sewage, be those specified in subsection (6) of that section, as read with section 7, and in relation to the provision of a water supply, shall be the F4water authorities.

In the M2Local Government (Scotland) Act 1966, any reference to a water undertaking or a local water authority or their limits of supply shall include a reference to a water development board or their area, and water supplied by such a board in bulk shall, for the purposes of Schedule 2 to that Act, be deemed to be supplied for distribution or use outside the area of that board.

For the purposes of Part II of Schedule 2 to the said Act of 1966, any transfer, in whole or in part, under the Water (Scotland) Acts 1946 to 1967, of the undertaking of a local water authority, or of a regional water board or of a water development board to such a board shall be deemed to be an amalgamation of water undertakings.