In section 25(1) of the M1Local Government Act 1974 (authorities subject to investigation by Local Commissioners), for paragraph (d) there shall be substituted the following paragraph—

“(d)

in relation to the flood defence functions of the National Rivers Authority (that is to say, its functions by virtue of Chapter III of Part III of the Water Act 1989, including all its functions under the Land Drainage Act 1976), the National Rivers Authority and any regional flood defence committee.”