(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 by a person in so far as it has been or is to be met directly or indirectly by the State or by any person other than the first-mentioned person;

(c) the date on which any expenditure is incurred shall be taken to be the date on which the sum in question becomes payable.

(3) Section 304(4) shall apply in relation to an allowance under subsection (1) as it applies in relation to an allowance to be made under Part 9.

(4) For the purposes of the Income Tax Acts, any claim by a person for an allowance under this section shall be included in the annual statement required to be delivered under those Acts of the profits or gains of the person's trade and shall be accompanied by a certificate signed by the claimant (which shall be deemed to form part of the claim) stating that the expenditure was incurred 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 and giving such particulars as show that the allowance is to be made.