SWIFT ISO 15022 - Qualifier PPDT Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Structure Type Usages Message Type Tag Name of the tag MT527 22a ( field number 27 ) Indicator MT527 22a ( field number 27 ) Indicator MT558 22a ( field number 32 ) Indicator MT558 22a ( field number 32 ) Indicator