124.—Where a person is convicted of an offence under this Act, the court shall, unless it is satisfied that there are special and substantial reasons for not so doing, order that person to pay to the Commission the costs and expenses, measured by the court, incurred by the Commission in relation to the investigation, detection and prosecution of the offence, including costs and expenses incurred in the carrying out of tests, examinations and analyses and in respect of the remuneration and other expenses of employees or persons engaged by the Commission.