146. At the beginning of each year of the lease, the Minister may grant the lessee of an exclusive lease an increase in the area of the territory covered by the lease, provided
(1) the added land is contiguous to that territory;
(1.1) the lessee, in the case of sand, gravel, common clay or a mineral substance found in its natural state as a loose deposit, establishes to the satisfaction of the Minister that the increase is necessary in order to carry on an activity during the current term of his lease;
(2) the total area of the land is consistent with the requirements of section 145;
(3) the lessee has paid the fees prescribed by regulation and complied with the other provisions of this Act and the regulations.