translate English to French: He accepted the mandate that the claimant was giving him before the Board of Referees but, as he had no knowledge of the file, he asked for a postponement of the hearing which was scheduled for that day.
Il a accepté le mandat que le prestataire lui donnait devant le conseil arbitral mais, comme il ne connaissait pas le dossier, il a demandé un ajournement de l'audience qui était prévue pour ce jour-là.