Article L342-3 of the French Monetary and Financial Code
Peddling and canvassing for the sale or exchange of foreign banknotes are prohibited. Any person who goes to the homes of private individuals, other than bankers and stockbrokers, or to public places, to offer or obtain foreign banknotes with immediate delivery and payment, in whole or in part, either in cash or in securities, shall be deemed to be peddling foreign banknotes. Any person who habitually visits the homes of…