Society for Worldwide Interbank Financial Telecommunication

The Society for Worldwide Interbank Financial Telecommunication ("SWIFT") operates a worldwide financial messaging network. Messages are securely and reliably exchanged between banks and other financial institutions. SWIFT also markets software and services to financial institutions, much of it for use on the SWIFTNet Network, and ISO 9362 bank identifier codes are popularly known as "SWIFT codes".
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See SWIFT (S.W.I.F.T. s.c.r.l.) (Society for Worldwide Interbank Financial Telecommunication)   

The cooperative organisation created and owned by banks which operates a network to facilitate the exchange of payment and other financial messages between financial institutions (including broker-dealers and securities companies) throughout the world. A SWIFT payment message is an instruction to transfer funds; the exchange of funds (settlement) subsequently takes place over a payment system or through correspondent banking relationships.