THAT three calendar months previous to the expiration of this lease two separate valuations shall be made by three indifferent persons to be appointed in writing, as follows: One by the Board, one by the tenant, and the other by the two valuators so to be appointed; and the decision of such three valuators, or any two of them, shall be binding on all parties: one of such valuations to be made of all the buildings and improvements then on the said land, and the other of the fair annual ground-rent of the said land only, without any buildings or improvements, for a further term of twenty-one years from the expiration of the term of this lease; and before the expiration of the term of this lease a lease of the said land and premises for such further term of twenty-one years shall be put up to public auction at the upset price of the annual rent of the said land as valued without buildings and improvements, subject to the payment by the purchaser of the value of the said buildings and improvements fixed by the valuators as aforesaid; and, in the event of any person other than the tenant becoming entitled to the lease of the said land for the said further term, such person shall forthwith pay in cash to the Board for the benefit of the tenant the amount of the value of the buildings and improvements so fixed as aforesaid, and shall enter into a lease for the said further term at the annual ground-rent at which the said land shall be so sold at such auction, and the Board shall pay over to the tenant the amount of the value of the said buildings and improvements paid to the Board by the purchaser without any deduction whatsoever; but, if there be no biddings at the said auction upon the upset price as before mentioned, or if the tenant shall be the highest bidder thereat, then the tenant shall accept, and the Board, with the sanction of the Superintendent of the Province of Otago for the then time being [or, in the case of leases granted after the abolition of the provinces, of His Excellency the Governor], shall grant to the tenant a renewed lease of the said land and premises for the further term of twenty-one years from the expiration of the term hereby granted, at either the upset price as aforesaid or the bid or highest bid which the tenant shall have given therefor, as the case may be; and such renewed lease shall contain the same covenants, conditions, restrictions, and agreements as are contained in the present lease, including the foregoing condition for valuation and renewal.