In the case of a proposal made under section 69 : of this Act otherwise than by the valuation officer, the valuation o officer may, at any time within the period of three month beginning with the date on which the proposal was served on the valuation officer, give notice in writing to the person who made the proposal that he objects to the proposal, and that the said person, if he does not withdraw the proposal within fourteen days, will be treated as intending to appeal to a valuation court against the valuation officer's objection to the proposal.
Not less than fourteen nor more than twenty-eight days after the valuation officer has given a notice under subsection (1) of this section, he shall, unless the proposal has then been withdrawn, transmit to the clerk to the local valuation panel constituted under section 88 of this Act from the members of which the local valuation court would fall to be constituted a copy of the proposal together with a copy of the notice under the said subsection (1) and of any notice of objection to the proposal which has been served under section 70(2) of this Act and has not been unconditionally withdrawn.
Where, in accordance with subsection (2) of this section, the valuation officer transmits a copy of a proposal to the clerk to a local valuation panel, section 73(2) of this Act shall apply for the purposes of this section as if any reference in the said section 73(2) to section 73(1) of this Act included a reference to subsection (2) of this section.
Where the proposal was served on the valuation officer before the first anniversary of the coming into force of the valuation list to which the proposal relates, subsection (1) of this section shall have effect as if for the words " three months " there were substituted the words " five months ".