25. Where, prior to the final installation, the insured person’s physical condition changes to such an extent that the rehabilitation phase must be stopped or where the insured person dies, the total cost assumed by the Board for an insured device that is partially or totally manufactured is determined as follows:(1) the rate fixed in the Tariff per quarter hour or fraction thereof for manufacturing time; and
(2) the cost price of the materials is added to the cost arising from the application of subparagraph 1 and the cost price of the materials that can be recovered by the institution that operates the centre that manufactured it or, if such is the case, by a laboratory is subtracted from that total.