IV.5.5.  Compatibility IV.5.6.  Intellectual property rights  concerning  Software  — confidentiality  IV.5.7.  Escrow rider Page 26 of 40  The contractor guarantees to the contracting authority that at the date of signature of each  specific contract the  Software  is compatible with all  Hardware  or  Software described in the  specific contract under consideration.  IV.5.6.1.  The  Intellectual property rights  attached to the  Software  and its  Documentation  shall remain the  contractor's exclusive property.  IV.5.6.2.  The contracting authority undertakes:  (1)  to take all measures necessary vis-à-vis its end user personnel and persons having access to  the  Software  and its  Documentation , to ensure that the confidentiality of the  Software  is  observed;  (2)  not to pledge, assign, sub-license, transfer or lend, for payment or otherwise, the  Software  and  its  Documentation  except in the manner set out under Article IV.5.4;  (3)  to inform the contractor immediately in the event of seizure, to protest against it and to take all  necessary steps in order to safeguard the integrity of the contractor’s  Intellectual property rights .  IV.5.6.3.  In the event of unauthorised disclosure of confidential information by either party, the other party  shall address it a warning by a  Means of Registered communication , requesting the first party to  confirm that it will no longer disclose the said information. If no satisfactory response is obtained  within the requested time limit, the other party is entitled to terminate this framework contract.  The parties recognise that damages may not constitute sufficient compensation for the other  party, who may require reparation by injunction or other relief judged appropriate or necessary by  the appropriate court of law.  IV.5.7.1.  Except as set forth in Article IV.5.7.4., the contracting authority and the contractor shall appoint  by mutual agreement an  Escrow agent  who will provide appropriate safekeeping facilities for the  Product  and its  Documentation . The  Escrow rider  shall be concluded between the contractor, the  Escrow agent and the contracting authority. The  Escrow rider shall provide that the contractor  must deposit with the  Escrow agent  a copy of all necessary  Software  and  Documentation , source  code and that the contracting authority shall have access to this copy as provided under Article  IV.5.7.2.  IV.5.7.2.  The  Escrow rider  shall provide that if the contractor discontinues the maintenance of the  Product, the contracting authority may instruct the  Escrow agent to deliver a copy of the actual source  code for the  Products involved, including associated control statements required for operation,  maintenance and use of the source code, each in programmer-readable form (collectively: "the  Source code"), along with any associated  Documentation  including updates, to the relevant  installation site. If the contracting authority receives the Source code in the manner provided  hereunder, no additional fees shall be charged. Title to the Source code shall remain with the  contractor.  IV.5.7.3.  The contracting authority shall have the right at any time to contact the  Escrow agent for the  purpose of confirming the existence of the Source code and associated  Documentation  including  updates thereto and for verification of the instructions to the  Escrow agent  to release the Source  code under the circumstances specified under this Article. 