When the victim has not informed the Regional Commission of the benefits received or to be received from third-party payers other than the social security funds, the third-party payers have a right of recourse against the victim, up to the amount of the compensation that the victim has received from the insurer of the fund set up underarticle L. 426-1 of the Insurance Code or from the office that is substituted for it, in respect of the same head of loss and within the limits provided for inarticle 31 of the aforementioned law no. 85-677 of 5 July 1985. They must act within two years of the claim for payment of benefits.