London Government Act 1963

2 (1) The power of a local authority under section 17 to make a declaration vesting in themselves a sewer or sewage disposal works situate within or serving their district or any part of their district shall not be exercisable—

(a) by the Greater London Council as respects a sewer or sewage disposal works which is vested in the council of a London borough or county district;

(b) by the council of a London borough or county district as respects a sewer or sewage disposal works which is vested in the Greater London Council.

(2) In section 17 (1) the words from “being ” to “Act” shall be omitted.

(3) Section 17 (7) and (8) shall not be construed as applying to a declaration by .the Greater London Council with respect to a sewer or sewage disposal works (unless the sewer or works is situate outside, or serves a district outside, the Council's sewerage area and in relation to a declaration by (the council of a borough or county district with respect to a sewer situate within, or serving a district within, that area shall have effect as if any reference to another local authority did not include a reference to the Greater London Council.