Scheme of Shared Connection is developed by SWIFT for connection of affiliated organisations by parent organisation though it can be used by the foreign financial organisations. Usage of SWIFT at realisation of calculations with corporate clients becomes an important direction in development of settlement infrastructures of banks. The Service bureau is the non-financial organisation created under direct control and annual audit by SWIFT (Belgium). FIN is basic service SWIFT for message transfer. Over 7 500 financial institutions more than in 200 countries use FIN for the protected exchange of the financial information reliable and economically effective. Annually through SWIFT passes 2 5 billion payment orders. For reduction of cost of connection and the costs connected both with a technical aspect and with management of SWIFT complex Service bureaus will be organised in the countries . Connection process to the SWIFT network consists of two stages: The introduction of the financial organisation into SWIFT SCRL associates (registration of a package of documents and its sending in SWIFT) 1. Filling and sending an opening statement to SWIFT (SWIFT Undertaking). 2. Filling of introductory documents in the electronic form (the contract on the software forms of the order of the equipment of safety etc.). 3. Sending of confirmation of readiness of bank in SWIFT (Readiness Confirmation). SWIFTNet FIN gives access to FIN service by means of SWIFTNet using IP connections. Infrastructure of SWIFTNet includes a set of completely administered services of safety of the information constructed on the basis of technology PKI.