Realisation of SWIFTNet FIN is an investment into the future which offers the full integrated package of operated transmission media of the formalized messages for the industry of financial services: Combination of SWIFTNet and SWIFTNet FIN also is a step on a way to reduction of complexity of means of operational processing (financial transactions) and movement towards their optimisation. This is an effective decision which allows to focus financial streams. This system will allow the users working only with FIN to move to the category of those who already has access to SWIFTNet and is familiar with new technologies and products that considerably facilitates their connection to additional services of SWIFTNet in the future; Theoretically for payment fulfilment in Europe it is enough to know a SWIFT code of a bank and IBAN code of the addressee. In this case the connecting organisation bears full responsibility before SWIFT for the organisation of safe work of the connected User. Connection details to the head financial organisation should be found out directly from the financial organisations giving similar service. Migration from connections to FIN on X.25 to SWIFTNet FIN will allow both to users and most SWIFT to cut the expenses by refusal of use of network X.25 and the out-of-date technologies accompanying the given protocol that already takes place in some countries.