42. Deduction for stock exchange listing expenditure
(1) The Principal Act is amended by the insertion of the following section after section 81C:
"81D.
(1) In this section -
'Directive' means Directive 2014/65/EU of the European Parliament and of the Council of 15 May 2014 [OJ No. L173, 12.6.2014, p.349] on markets in financial instruments and amending Directive 2002/92/EC and Directive 2011/61/EU;
'EEA Agreement' means the Agreement on the European Economic Area signed at Oporto on 2 May 1992, as adjusted by all subsequent amendments to that Agreement;
'EEA state' means a state which is a contracting party to the EEA Agreement;
'investment company' has the meaning assigned to it by section 83(1);
'listing expenditure' means expenditure incurred by a company wholly and exclusively for the purpose of admitting to trading the shares of the company on a regulated market or a multilateral trading facility;
'multilateral trading facility' has the same meaning as it has in Article 4(1), point (22), of the Directive;
(a) the date on which a company commenced the carrying on of a trade or profession, or