1. Member States shall ensure that the persons referred to in Article 55(4) have sufficient time for effective review of the contract award decisions taken by contracting authorities/entities, by adopting the necessary provisions respecting the minimum conditions set out in paragraph 2 of this Article and in Article 59.

2. A contract may not be concluded following the decision to award a contract falling within the scope of this Directive before the expiry of a period of at least 10 calendar days with effect from the day following the date on which the contract award decision is sent to the tenderers and candidates concerned if fax or electronic means are used or, if other means of communication are used, before the expiry of a period of either at least 15 calendar days with effect from the day following the date on which the contract award decision is sent to the tenderers and candidates concerned or at least 10 calendar days with effect from the day following the date of the receipt of the contract award decision.