332.1. The agreements entered into on 29 June 1982 and 1 October 1982, respectively, between the Commission de transport of the Communauté urbaine de Montréal and Canadian National Railways, in one case, and Canadian Pacific Limited, in the other case, in respect of the suburban train service between Montréal and Deux-Montagnes and that between Montréal and Rigaud, respectively, are deemed to have been validly made by the Commission and no action to contest the validity of the agreements is admissible on the ground that the Commission was not authorized to make them.