Contract number: [ complete ]   2019  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   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.  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 .  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.  II.5. COMMUNICATION BETWEEN THE PARTIES  II.5.1 Form and means of communication  Any communication of information, notices or documents under the FWC must:  (a) be made in writing in paper or electronic format in the language of the contract; (b) bear the FWC number and, if applicable, the specific contract number;  (c) be made using the relevant communication details set out in Article I.8; and  (d) be sent by mail, email or, for the documents specified in the special conditions, via  e- PRIOR . 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.  II.5.2 Date of communications by mail and email  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.  16 