SWIFT ISO 15022 - Qualifier DSSE Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Guarantee Amount Usages Message Type Tag Name of the tag MT503 19B ( field number 45 ) Amount MT504 19B ( field number 61 ) Amount MT505 19B ( field number 53 ) Amount MT506 19B ( field number 83 ) Amount