Article R722-3 of the French Monetary and Financial Code
The declaration of cash transported by bearer provided for in Article L. 722-6 is made in writing, on paper or electronically, by the bearers of the cash, to the customs authorities, no later than the time at which the cash crosses the border into another country.When made no earlier than thirty days before the cash crosses the border into another country, the declaration is sent electronically using the teleservice, the…