(a) an amount equal to the added value; or
(b) if a remission of part of that amount is applicable in accordance with subregulation 4 (4)—the amount ascertained by subtracting from the first-mentioned amount an amount ascertained by applying the appropriate remission rate.
(2) For the purposes of determining the betterment charge payable in respect of the variation of a lease, the Minister shall determine the added value in relation to the parcel of land held under that lease.
(3) In determining the added value of a parcel of land held under a lease, no reduction shall be allowed for where a provisional order for the variation of the lease is conditional upon the applicant financing or undertaking works on the land comprised in the lease or any unleased Territory Land.