Article L224-10 of the French Consumer Code
Any draft amendment envisaged by the supplier to the contractual terms and conditions shall be communicated to the consumer by post or, at the consumer’s request, by electronic means, at least one month before the envisaged date of application. In the case of electricity or gas, any plans to amend the contractual provisions relating to the arrangements for determining the price of supply, as well as the reasons, preconditions and…