365. However, Canadian exploration and development expenses shall not include, for the purposes of this chapter:(a) any consideration given for any share, interest or right relating to it, except as provided in paragraph e of section 364; or
(b) any expenses contemplated in paragraph e of section 364 and incurred by another taxpayer, to the extent that the obligation of that other taxpayer to incur such expenses constituted for him, under the said paragraph, Canadian exploration and development expenses.