92Commencement of provisions as to electricity hereditaments and transitional provisions.
(1)The provisions of this Part of this Act, so far as they relate to hereditaments occupied by the British Electricity Authority, an Area Electricity Board or the North of Scotland Hydro-Electric Board," shall come into operation on the first day of April, nineteen hundred and forty-eight.
(2)If the vesting date for the purposes of the [10 & 11 Geo. 6. c. 54.] Electricity Act, 1947, is after the said first day of April, the like consequences shall ensue under this Part of this Act as respects hereditaments which, on the vesting date, are occupied by the British Electricity Authority, an Area Electricity Board or the North of Scotland Hydro-Electric Board and were, at any time on or after the said first day of April, occupied by a body to whom Part II of that Act applies as would have ensued if the occupation thereof by the said body had been occupation by the said Authority or Board
(3)It shall be the duty of all assessment committees to cause to be made, on or as soon as may be after the said first day of April, or, if the said vesting date is subsequent to the said first day of April, on or as soon as may be after the said vesting date, all such alterations of the valuation lists as are necessary to secure that no hereditament in England or Wales occupied on the said vesting date by the British Electricity Authority or an Area Electricity Board, other than any hereditament appearing from the valuation list to be used as a dwelling-house, remains in the said lists, and any consequential alterations of totals of values, and the said alterations, when made, shall have effect as from the said first day of April:
Provided that every assessment committee shall, for the purposes of this subsection, assume—
(a)that all hereditaments shown in the valuation lists as in force on the said vesting date as occupied by a body to whom Part II of the Electricity Act, 1947, applies, other than a local authority or a composite company as defined in section seventeen of the said Act, were occupied on the said vesting date by the British Electricity Authority or an Area Electricity Board; and
(b)that of the hereditaments shown in the lists as in force on the' said vesting date as occupied by any such body as aforesaid, being a local authority or such a composite company as aforesaid, such and such only as are specified in that behalf in notices in writing to be served on the committee by the British Electricity Authority or an Area Electricity Board are occupied on the said vesting date by the Authority or any such Board; and
(c)that no other hereditaments not shown in the lists as in force on the said vesting date as occupied by the said Authority or any such Board were on that date so occupied.
(4)The provisions of the last preceding subsection shall be without prejudice to the making or effect of any proposal made under the provisions of Part III of this Act relating to the alteration of valuation lists by means of proposals made by or served on valuation officers, but until the said provisions of the said Part III come into force it shall not, save as is provided in the last preceding subsection, be competent to make any alteration in the valuation lists in force in England and Wales at the date of the passing of this Act either on the ground that a hereditament contained therein ought to be omitted therefrom as being occupied by the British Electricity Authority or an Area Electricity Board, or on the ground that a hereditament which has been removed from the list under the last preceding subsection ought to be included in the list.
(5)Where an alteration is made in the valuation list under subsection (3) of this section, the rating authority shall, where necessary, make the corresponding amendment in any rate made in respect of a period beginning on or after the said first day of April, and the amendment shall have effect as from the beginning of the said period.