text: (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. 