31. In the cases where the representative was granted assistance, if the defendant in whose favour the final judgment has been rendered shows to the satisfaction of the Fonds that it is impossible for him to obtain the full payment of the judicial costs on the property of the representative, the Fonds, after examining the financial condition of the defendant, may pay these judicial costs in the name of the representative. The Fonds then becomes subrogated in the rights of the defendant up to the amount paid to him.