(a) the first subparagraph is replaced by the following:
'A contract may not be concluded following the decision to award a contract falling within the scope of Directive 2004/18/EC or Directive [on Concessions] 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.';
(b) in the fourth subparagraph, first indent is replaced by the following:
'- a summary of the relevant reasons as set out in Article 41(2) of Directive 2004/18/EC, subject to the provisions of Article 41(3) of that Directive, or in Article 35 (7) of Directive [on Concessions], subject to the provisions of Article 35 (8) of that Directive and,'