(1)Work No. 1 shall be deemed to have been constructed under a licence under section 25 of the [1991 c. 57.] Water Resources Act 1991 granted by the rivers authority and, except as may be otherwise provided by this Act, the provisions of the said Act of 1991 relating to licences granted under section 25 of that Act shall apply to the licence deemed by this section to have been granted under that section as they apply to those so granted.
(2)Notwithstanding the provisions of section 1 of the [1975 c. 23.] Reservoirs Act 1975, it is hereby declared that so much of the impounded river as is upstream of the weir is not, by virtue of the retention of water by means of the weir, to be taken to be a reservoir for the purposes of that Act or for the purposes of the [1930 c. 51.] Reservoirs (Safety Provisions) Act 1930.