39. The income replacement indemnity is computed on the basis of the gross income(1) that the victim derives or would have derived from the employment he holds or would have held as a salaried worker;
(2) that the Government determines by regulation for employment of the same class as that which the victim holds or would have held as a self-employed worker, or on the basis of the gross income he derives or would have derived as a self-employed worker, if it is higher;
(3) that the victim who holds or would have held more than one employment derives or would have derived from the employment or employments he becomes unable to hold.
The manner of reducing the gross income to take account of the fact that the victim holds part-time employment shall be established by regulation of the Government.