In the case provided for in article L. 25-1 of the Highway Code, as stated in that article, “the insurer of the owner of the vehicle is obliged to guarantee, within the limits of the contract, compensation for the damage caused to the third party, subject to recourse, if necessary, against the public authority which, by its act, caused the damage giving rise to the insurer’s liability, and without any increase in premium for the owner as a result. This recourse, as well as any liability action for failure to insure the vehicle, shall be decided in accordance with the conditions set out inarticle 1 of law no. 57-1424 of 31 December 1957”.