12  Contract number: [ complete ]  FWC conditions of October 2018  II. GENERAL CONDITIONS FOR THE FRAMEWORK CONTRACT  FOR SERVICES  II.1. DEFINITIONS  For the purpose of this FWC, the following definitions (indicated in  italics  in the text) apply:  ‘Back office’ : the internal system(s) used by the parties to process electronic invoices; ‘Breach of obligations’:  failure by the contractor to fulfil one or more of its contractual  obligations. ‘Confidential information or document’ : any information or document received by either  party from the other or accessed by either party in the context of the  implementation of the  FWC , that any of the parties has identified in writing as confidential. It may not include  information that is publicly available;  ‘Conflict of interest’ : a situation where the impartial and objective  implementation of the FWC by the contractor is compromised for reasons involving family, emotional life, political or  national affinity, economic interest, any other direct or indirect personal interest, or any other  shared interest with the contracting authority or any third party related to the subject matter of  the FWC;  ‘Creator’ : means any natural person who contributes to the production of the  result ;  ‘EDI message’  (electronic data interchange): a message created and exchanged through the  electronic transfer, from computer to computer, of commercial and administrative data using  an agreed standard;  ‘e-PRIOR’ : the service-oriented communication platform that provides a series of web services  and allows the exchange of standardised electronic messages and documents between the  parties. This is done either through web services, with a machine-to-machine connection  between the parties’  back office  systems ( EDI messages ), or through a web application (the  s upplier portal ). The Platform may be used to exchange electronic documents (e-documents)  such as electronic requests for services, electronic specific contracts, electronic acceptance of  services and electronic invoices between the parties. ‘Force majeure’ : any unforeseeable, exceptional situation or event beyond the control of the  parties that prevents either of them from fulfilling any of their obligations under the FWC. The  situation or event must not be attributable to error or negligence on the part of the parties or on  the part of the subcontractors and must prove to be inevitable despite their exercising due  diligence. Defaults of service, defects in equipment or material or delays in making them  available, labour disputes, strikes and financial difficulties may not be invoked as  force  majeure , unless they stem directly from a relevant case of  force majeure ; ‘Formal notification’  (or ‘formally notify’): form of communication between the parties made  in writing by mail or email, which provides the sender with compelling evidence that the  message was delivered to the specified recipient;