(1)Any scheme for the time being in force for the purposes of section 88 of this Act may be revoked or varied—
(a)by a new scheme made and submitted to and approved by the Minister in accordance with subsections (2) to (5) of this section ; or
(b)by a new scheme made by the Minister on a representation made by any local valuation panel or valuation officer and after consultation with any of the following councils concerned, namely, the council of any county or county borough and the Greater London Council.
(2)A new scheme under subsection (1)(a) of this section for any area may be made by that one of the councils aforesaid within whose area the area to which the new scheme relates is situated; and any two or more of the councils aforesaid may, and if so directed by the Minister shall, make under the said subsection (1)(a) a joint new scheme providing for a local valuation panel or local valuation panels for the whole of their respective areas, or for areas which together comprise the whole of their respective areas.
(3)The council or councils by whom a new scheme is made under subsection (1)(a) of this section shall submit it to the Minister and, as soon as they have so submitted it, shall publish in one or more newspapers circulating in their area or areas a notice stating that it has been so submitted and that a copy is open to inspection at a specified place.
(4)Except in the case of a scheme submitted only by one or more county borough councils, the council or councils submitting a scheme under subsection (3) of this section shall, at the same time as they submit it, send a copy of it to each of the rating authorities within the area of that council or any of those councils.
(5)No scheme submitted to the Minister under subsection (3) of this section shall be of any effect unless and until it is approved by the Minister; and the Minister, after considering any objections to the scheme which may be submitted to him by persons appearing to him to be interested, may approve the scheme with or without modifications.
(6)Before a new scheme is made by the Minister under subsection (1)(b) of this section, he shall publish in one or more newspapers circulating in the area to which the scheme relates a notice stating his proposal to make the scheme, and that a copy of a draft of the scheme is open to inspection at a specified place, and specifying a date by which any person may send to him any representations respecting the draft.