Article R242-11 of the French Consumer Code
The following are punishable by the fine laid down for 5th class offences: 1° Failure to notify the consumer of any proposed changes to the contractual terms and conditions for the supply of electricity or natural gas in accordance with the provisions of Article L. 224-10; 2° Failure to provide this communication with information on the cancellation option provided for in article L. 224-10.