(1) An entity (the investor ) makes an exploration investment in another entity (the minerals explorer ) in an income year if:
(a) * shares in the minerals explorer are issued to the investor by the minerals explorer:
(i) on or after the day on which the Commissioner makes a determination under section 418- 101 allocating * exploration credits to the minerals explorer for the income year; and
(ii) before the end of the income year; and
(b) those shares are * equity interests.
(2) The amount of the exploration investment made by the investor in the minerals explorer in the income year is equal to the total amount paid up by the investor on the shares during the period mentioned in paragraph (1)(a).