Contract number: [ complete ]  Service contract conditions of December 2018  ‘Contracting authority’: the contracting party ordering the goods or services from the  contractor  and exchanging the relevant electronic documents (listed below in the definition of  e-PRIOR) involved in that process.  ‘Dispatch advice’ : electronic document that the  contractor  sends to the  contracting authority when it dispatches the goods or delivers the services based on fixed price or quoted time and  means. The document must include the  order  reference and, in case of dispatch of goods, the  delivery information. Once it has been validated, the  contracting authority  issues a  receiving  advice.  ‘Electronic Data Interchange (EDI)’:  the electronic transfer, from computer to computer, of  commercial and administrative data using an agreed standard to structure an EDI message.  ‘EDI message’ : an electronic document structured by using an agreed standard, prepared in a  computer readable format and capable of being automatically and unambiguously processed.  ‘Electronic system’: the set of electronic means used by the parties in order to send or  receive electronic messages ( own system  and system not controlled by the parties).  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/supplies (request for quotation,  final offer, etc.)  electronic specific contracts and order forms, electronic transmission of timesheets,  deliverables and its acceptance ( service receipt, dispatch advices and receipt advices ) or  electronic invoices between the parties. Technical specifications (i.e. the  interface control  document ), details on access and user manuals are available at the following website:  https://webgate.ec.europa.eu/fpfis/wikis/spaces/viewspace.action?key=ePRIOR  ‘e-Request’ is the module in  e-PRIOR  which aims to automate the exchange of r equest for  quotation  and offers between the  contracting authorities  and their  suppliers . By covering the  steps of the request management process as defined in the relevant contracts,  e-Request  establishes the basis under which  orders  will be concluded in  e-Ordering  with those  suppliers who are providing services or goods related to the procurement procedures supported by the  system.  ‘e-Ordering’ is the module in  e-PRIOR enabling the electronic exchange and signature of  specific contracts or order forms for services or supplies in the context of framework contracts  or direct contracts. This may not be applicable to certain categories of specific contracts (such  as on-call services, services provided during extended working hours, etc.) which are not  currently covered by  e-Ordering and all these cases paper based procedures apply for the  signature of the specific contracts. The  contracting authority may include at a later stage  those specific contracts in the scope of  e-Ordering  by means of written notification (e-mail or  registered letter) to the contractor. This written notification shall have full legal effect from  the date mentioned in the notification.  ‘e-Fulfilment’ is the module in  e-PRIOR enabling the electronic acceptance of services or  goods through the exchange of  dispatch advices (delivery note),  service receipts  and  receiving advices  (evidence of goods receipt or  service receipt  approval).  45 