PART 3 TENDER SPECIFICATIONS for LOT 2  A maximum of one legal representative per participating tenderer may attend the opening session.  Tenderers  shall  inform  the  Agency  in  writing  of  their  intention  to  attend,  by  email  to  procurement@enisa.europa.eu   at least 2 working days  prior to the opening session.  Alternatively, please note  that all tenderers may simply request a copy of the Opening Report to be  sent to them by email after the conclusion of the Opening Session procedure.  Period of validity of the Tender: 90 days from the closing date stated in Invitation to Tender. The  successful Tenderer must maintain its Offer for a further 120 days from the notification of the award.  This overall Tender  “Development & Support of Infrastructure & Services related to EU Cyber  Crisis Cooperation” is divided into 3 Lots.  Lot 1 : Development of Material for Exercises, Challenges and Trainings Lot 2 : Provision of infrastructure for Operational Cooperation and exercises  (this document) Lot 3 : Audio-visual material development, Journalistic, Public Affairs and Back Office Support  Initiation of a tendering procedure imposes no obligation on the Contracting Authority to award the  contract. Should the invitation to tender cover several items or lots, the Contracting Authority reserves  the right to award a contract for only some of them. The Contracting Authority shall not be liable for any  compensation with respect to Tenderers whose tenders have not been accepted. Nor shall it be so liable  if it decides not to award the contract.  page 32 of 32  F-COD-20-T03:  LOT 2  - Provision of infrastructure for Operational Cooperation and exercises  All documents submitted by Tenderers will become the property of ENISA and will be treated as  confidential.  No information of any kind will be given on the state of progress with regard to the evaluation of  tenders.  Expenses incurred in respect of the preparation and presentation of tenders cannot be refunded.  Changes to tenders will be accepted only if they are received on or before the final date and time  set for the receipt of tenders. 5.4  NO OBLIGATION TO AWARD THE CONTRACT  5.3  ADDITIONAL PROVISIONS  5.2  LOTS  5.1  VALIDITY  5. OTHER CONDITIONS 