SWIFT ISO 15022 - Qualifier BAKL Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Blocked Authenticity Usages Message Type Tag Name of the tag MT535 93a ( field number 43 ) Balance MT535 93a ( field number 43 ) Balance MT535 93a ( field number 43 ) Balance MT535 93a ( field number 43 ) Balance