384. Where control of a corporation has been acquired after 31 March 1977 but before 13 November 1981 by a person or persons who did not control the corporation at the time it last ceased to carry on a qualified business, the following rules apply:(a) the amount by which the Canadian exploration and development expenses or the foreign exploration and development expenses, as the case may be, incurred by the corporation before the time it ceased to carry on active business exceeds the aggregate of all amounts otherwise deductible respectively in respect of such expenses in computing its income for the taxation years ending before control was acquired, is deemed to have been deductible under sections 362 to 394 in computing its income for the taxation years ending before control was so acquired;
(b) the amount by which the cumulative Canadian exploration expenses, cumulative Canadian development expenses or cumulative Canadian oil and gas property expenses, as the case may be, at the time it ceased to carry on active business exceeds the aggregate of all amounts otherwise deducted under Division III, IV or IV.1, as the case may be, in computing its income for the taxation years ending after the time it ceased to carry on active business and before control was so acquired, is deemed to have been deducted under the said divisions, respectively, in computing its income for the taxation years ending before control was so acquired.