23.—(1) Subject to paragraph (2) the Drainage (Environmental Impact Assessment) Regulations (Northern Ireland) 2001(1) are hereby revoked.
(2) Nothing in paragraph (1) shall affect the continued operation of the Regulations mentioned in that paragraph in relation to any—
(a)drainage works or marina works commenced before the coming into operation of these Regulations; or
(b)drainage scheme or canal scheme prepared before the coming into operation of these Regulations.