9. Before having any physical modifications made to his residence involving the technical and financial participation of the Commission, the accident victim must meet the following requirements:
(a) the work may only be undertaken upon the express authorization of the Commission as regards its nature and cost;
(b) the accident victim must provide assurance that he intends to remain in the said place of residence for a period of at least 3 years;
(c) the accident victim must obtain the required authorization permitting modifications to be made to his place of residence.