For the purpose of Article II.10, if part or all of the processing of personal data is subcontracted to a third party, the contractor shall pass on the obligations referred to in Articles I.9.2 and II.9.2 in writing to those parties, including subcontractors. At the request of the contracting authority, the contractor shall provide a document providing evidence of this commitment. 

## II.10. SUBCONTRACTING 

II.10.1 The contractor must not subcontract and have the contract performed by third parties beyond the third parties already mentioned in its tender without prior written authorisation from the contracting authority. 

II.10.2 Even if the contracting authority authorises subcontracting, the contractor remains bound by its contractual obligations and is solely responsible for the performance of this contract . 

II.10.3 The contractor must ensure that the subcontract does not affect the rights of the contracting authority under this contract, particularly those under Articles II.8, II.13 and II.24. 

II.10.4 The contracting authority may request the contractor to replace a subcontractor 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 contract must be made in writing before all contractual obligations have been fulfilled. 

II.11.2  Any amendment must not make changes to the contract that might alter the initial conditions of the procurement procedure or result in unequal treatment of tenderers. 

## II.12. ASSIGNMENT 

II.12.1 The contractor must not assign the rights and obligations arising from the contract, 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 Union acquires irrevocably worldwide ownership of the results and of all intellectual property rights on the newly created materials produced specifically for the Union under the contract 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. 

