text: found to be in a situation provided for in points (d) and (e) of Article II.18.1. 
  
  **II.11. Amendments**
  
  **II.11.1**Any amendment to the FWC or a specific contract must be made in writing before 
  all contractual obligations have been fulfilled. A specific contract does not 
  constitute an amendment to the FWC. 
  
  **II.11.2**Any amendment must not make changes to the FWC or a specific contract that 
  might alter the initial conditions of the procurement procedure or result in unequal 
  treatment of tenderers or contractors. 
  
  **II.12. Assignment**
  
  **II.12.1**The contractor must not assign any of the rights and obligations arising from the 
  FWC, including claims for payments or factoring, without prior written 
  authorisation from the contracting authority. In such cases, the contractor must 
  provide the contracting authority with the identity of the intended assignee. 
  
  **II.12.2**Any right or obligation assigned by the contractor without authorisation is not 
  
  enforceable against the contracting authority. 
  
  **II.13. Intellectual property rights**
  
  **II.13.1. Ownership of the rights in the results**
  
  The contracting authority acquires irrevocably worldwide ownership of the*results*and of 
  all intellectual property rights on the newly created materials produced specifically for the 
  contracting authority under the FWC and incorporated in the*results*, without prejudice 
  however to the rules applying to*pre-existing rights*on*pre-existing materials*, as per Article 
  II.13.2. 