IV.2.2.1.  Contractors working in t h e c o n t r a c t i n g a u t h o r i t y ’ s premises must conform to  any internal security rules of the contracting authority. If the contractor's staff is working in  the contracting authority buildings, the contractor is required, at the contracting authority's  request, to replace immediately and without compensation any person considered  undesirable by the contracting authority.  IV.2.2.2.  The security requirements for each individual project may be described in the specific  contracts.  IV.2.2.3.  The contractor agrees to impose the security obligations of this Article upon any of its  subcontractors and their staff who perform tasks for the contracting authority in execution  of this framework contract.  IV.2.2.4.  The contractor recognises that no  Products , equipment or material whatsoever owned by  the contracting authority or present at the contracting authority’s premises, may be moved  or removed without the contracting authority’s express written approval and the signature of  a specific contract relating thereto. Each move or removal of a  Product , equipment or  material whatsoever, shall be recorded in a note, as specified in the specific contract in  execution of which these  Products , equipment’s or materials are moved or removed.  IV.2.2.5.  The contractor shall take all appropriate steps for each  Product  to ensure that the data and  the magnetic media upon which they are stored are safely preserved. The  Products  supplied shall not contain any mechanism (e.g. viruses) which could compromise their  proper operation or that of other  Products . The cost of repairing the damage caused by  such a mechanism shall be borne by the contractor.  IV.2.2.6.  The contractor undertakes to inform the contracting authority by a  Means of registered  communication  as soon as it has any knowledge of defaults in its  Products  that endanger  the security of the configurations of which they form a part. It shall immediately take any  measures necessary to restore the security of the configurations and correct the defaults.  IV.2.2.7.  The contractor shall ensure that all security precautions for each  Product  are clearly  spelled out in the relevant  Documentation  supplied to the contracting authority.  IV.2.2.8.  Should the contractor, during the performance of the tasks which are the subject of the  framework contract, need remote access to internal informatics resources from the external  domain, he shall be requested to comply with the contracting authority’s internal rules on  practical and technical security for remote intervention. This must be achieved by way of  accepting in writing the conditions of use for remote intervention provided by the contracting  authority.  IV.2.3.1.  As regards all  Software  or other protected material for which the  Intellectual property rights are the property of the contracting authority or which have been licensed to the contracting  authority by third Parties, and which the contractor is likely to use in the execution of its  obligations under this framework contract, the contracting authority expressly authorises the  contractor to use such  Software or other protected material, within the limits strictly  necessary for the execution of this framework contract.  IV.2.2. Security  IV.2.3.  Specific  Intellectual property rights Page 12 of 40 