text: **II.13.9. Copyright notice for pre-existing rights**
  
  When the contractor retains*pre-existing rights*on parts of the*results*, reference must be 
  inserted to that effect when the*result*is used as set out in Article I.10.1, with the following 
  disclaimer: ‘© — year — European Union. All rights reserved. Certain parts are licensed 
  under conditions to the EU’, or with any other equivalent disclaimer as the contracting 
  authority may consider best appropriate, or as the parties may agree on a case-by-case 
  basis. This does not apply where inserting such reference would be impossible, notably for 
  practical reasons. 
  
  **II.13.10. Visibility of ECHA funding and disclaimer**
  
  When making use of the*results*, the contractor must declare that they have been produced 
  under a contract with the contracting authority and that the opinions expressed are those 
  of the contractor only and do not represent the contracting authority’s official position. The 
  contracting authority may waive this obligation in writing or provide the text of the 
  disclaimer. 
  
  **II.14. Force majeure**
  
  **II.14.1**If a party is affected by*force majeure*, it must immediately*notify*the other party, 
  stating the nature of the circumstances, their likely duration and foreseeable 
  effects. 