Article R2132-7 of the French Public procurement code
Subject to the provisions of articles R. 2132-11 to R. 2132-13, communications and exchanges of information during the award of a contract pursuant to this Book shall take place by electronic means. An electronic means of communication is electronic equipment for the processing, including digital compression, and storage of data broadcast, conveyed and received by wire, by radio, by optical means or by other electromagnetic means.