Article R2333-120-42 of the French General Code of Local Authorities
In the context of electronic communication, the parties or their agents shall be deemed to have received the communication or notification on the date of first consultation of the document thus addressed to them, certified by the acknowledgement of receipt issued by the portal or the teletransmission device, or, in the absence of consultation within a period of eight days from the date on which the document is made available…