(k) any expense incurred by-
(i) a labour broker as defined in the Fourth Schedule, other than a labour broker in respect of which a certificate of exemption has been issued in terms of paragraph 2(5) of the said Schedule; or
(ii) a personal service provider as defined in the said Schedule,
other than any expense which constitutes an amount paid or payable to any employee of such labour broker or personal service provider for services rendered by such employee, which is or will be taken into account in the determination of the taxable income of such employee and, in the case of such personal service provider, any expense, deduction or contribution contemplated in paragraphs (c), (i), (l), (nA) or (nB) of section 11, expenses in respect of premises, finance charges, insurance, repairs and fuel and maintenance in respect of assets, if such premises or assets are used wholly and exclusively for purposes of trade;