The contract is only validly concluded if the recipient of the offer has had the opportunity to check the details of his order and its total price and to correct any errors before confirming it to express his final acceptance.
The offeror must acknowledge receipt without undue delay, by electronic means, of the order addressed to him.
The order, the confirmation of acceptance of the offer and the acknowledgement of receipt are deemed to have been received when the parties to whom they are addressed can access them.