(1) Where, before the day of the setting up or commencement of a trade consisting of the production for sale of manufactured goods, a person who is about to carry on the trade incurs or has incurred expenditure on the recruitment and training, with a view to their employment in the trade, of persons all or a majority of whom are Irish citizens, there shall be made to such person allowances in respect of that expenditure during a writing-down period of 3 years beginning on that day, and such allowances shall be made in taxing the trade.
(2) For the purposes of this section -
(a) expenditure shall not include any expenditure incurred by a person in respect of which no deduction would have been allowable to the person, in computing the profits or gains of the trade under the provisions of the Tax Acts applicable to Case I of Schedule D, if it had been incurred on or after the day of the setting up or commencement of the trade;
(b) expenditure shall not be regarded as having been incurred
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