9. For the purposes of regulations 4, 5, 6 and 8, the Comptroller shall determine —
(a)
the chargeable income of the financial sector incentive company having regard to such expenses, capital allowances and donations allowable under the Act as are, in his opinion, to be deducted in ascertaining such income;
(b)
the manner and extent to which any loss arising from the activities specified in those regulations may be deducted under the Act in ascertaining the chargeable income of the company ; and
(c)
the manner and extent to which any income should be excluded under regulation 8(5).