London Government Act 1963

9 The River Boards Act 1948 shall have effect subject to the following modifications:—

(a) until the repeal of that Act by the Water Resources Act 1963 takes effect, any reference to a county borough, whether as such or as a local authority, shall be construed as including a reference to a London borough council and the Common Council;

(b) in section 9 (5) (so far as applicable by virtue of section 9 (10) to the Conservators of the River Thames and the Lee Conservancy Catchment Board), the reference to local authorities shall, without prejudice to the foregoing sub-paragraph, be construed as including a reference to the Greater London Council, London borough councils and the Common Council.