One of the significant changes is the codification of the pre-contractual phase, which must be conducted in good faith. However, the ordinance introduces a general duty to provide, before the conclusion of the contract, any information which is critical and has a direct link with the content of the contract or the parties. Failure to respect this obligation triggers not only the liability of the contracting party, but also the possible invalidation of the contract for lack of consent. This duty does not apply to estimating the value of what is delivered.