text: Where*implementation of the FWC*requires that the contractor uses*pre-existing materials*
  belonging to the contracting authority, the contracting authority may request that the 
  contractor signs an adequate licence agreement. Such use by the contractor will not entail 
  any transfer of rights to the contractor and is limited to the needs of this FWC. 
  
  **II.13.3. Exclusive rights**
  
  The Contracting Authority acquires the following exclusive rights: 