Contract no: [complete]  EC - FWC services Dec 2018  II.4.6  The contractor must not present itself as a representative of the contracting authority and must  inform third parties that it is not part of the European public service.  II.4.7 The contractor is responsible for the  personnel  who carry out the services and exercises its  authority over its  personnel  without interference by the contracting authority. The contractor  must inform its  personnel  that:  a) they may not accept any direct instructions from the contracting authority; and  b) their participation in providing the services does not  result  in any employment or contractual  relationship with the contracting authority.  II.4.8  The contractor must ensure that the  personnel implementing the FWC and any future  replacement personnel possess the professional qualifications and experience required to  provide the services, as the case may be on the basis of the selection criteria set out in the  tender specifications.  II.4.9 At the contracting authority’s reasoned request, the contractor must replace any member of  personnel  who:  a) does not have the expertise required to provide the services; or  b) has caused disruption at the premises of the contracting authority.  II.4.10 The contractor must record and report to the contracting authority any problem that affects its  ability to provide the services. The report must describe the problem, state when it started and  what action the contractor is taking to resolve it.  The contractor bears the cost of replacing its  personnel  and is responsible for any delay in  providing the services resulting from the replacement of  personnel .  Any communication of information, notices or documents under the FWC must:  II.5. COMMUNICATION BETWEEN THE PARTIES  II.5.1. Form and means of communication  II.4.11  The contractor must immediately inform the contracting authority of any changes in the  exclusion situations as declared, according to Article 137 (1) of Regulation (EU) 2018/1046.  a) be made in writing in paper or electronic format in the language of the contract; c)  be made using the relevant communication details set out in Article I.8; and  b) bear the FWC number and, if applicable, the  specific contract  number;  d) be sent by mail, email or, for the documents specified in the special conditions, via  e-PRIOR . II.5.2. Date of communications by mail and email  If a party requests written confirmation of an e-mail within a reasonable time, the other party must provide  an original signed paper version of the communication as soon as possible.  The parties agree that any communication made by email has full legal effect and is admissible as  evidence in judicial proceedings.  Any communication is deemed to have been made when the receiving party receives it, unless this FWC  contract refers to the date when the communication was sent.  15