5. The information referred to in paragraph 1 shall form an integral part of the distance or off-premises contract and shall not be altered unless the contracting parties expressly agree otherwise.
6. If the trader has not complied with the information requirements on additional charges or other costs as referred to in point (e) of paragraph 1, or on the costs of returning the goods as referred to in point (i) of paragraph 1, the consumer shall not bear those charges or costs.
7. Member States may maintain or introduce in their national law language requirements regarding the contractual information, so as to ensure that such information is easily understood by the consumer.
8. The information requirements laid down in this Directive are in addition to information requirements contained in Directive 2006/123/EC and Directive 2000/31/EC and do not prevent Member States from imposing additional information requirements in accordance with those Directives.
Without prejudice to the first subparagraph, if a provision of Directive 2006/123/EC or Directive 2000/31/EC on the content and the manner in which the information is to be provided conflicts with a provision of this Directive, the provision of this Directive shall prevail.
9. As regards compliance with the information requirements laid down in this Chapter, the burden of proof shall be on the trader.
Article 7 Formal requirements for off-premises contracts 1. With respect to off-premises contracts, the trader shall give the information provided for in Article 6(1) to the consumer on paper or, if the consumer agrees, on another durable medium. That information shall be legible and in plain, intelligible language.
2. The trader shall provide the consumer with a copy of the signed contract or the confirmation of the contract on paper or, if the consumer agrees, on another durable medium, including, where applicable, the confirmation of the consumer’s prior express consent and acknowledgement in accordance with point (m) of Article 16.
3. Where a consumer wants the performance of services or the supply of water, gas or electricity, where they are not put up for sale in a limited volume or set quantity, or of district heating to begin during the withdrawal period provided for in Article 9(2), the trader shall require that the consumer makes such an express request on a durable medium