delivery of the services and/or supplies subject to the contract. It shall co-ordinate the  delivery of the services and/or supplies by the  Group  to the Contracting authority, and  shall see to a proper administration of the contract.  Any modification to the present Power of attorney shall be subject to the Contracting authority’s  express approval. This Power of attorney shall expire when all the contractual obligations of the  Group have ceased to exist. The parties cannot terminate it before that date without the  Contracting authority’s consent.  Place and date:  Name (in capital letters), function, company and signature:  Page  57  of  61