SWIFT ISO 15022 - Code INVB Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Balance Rejection: Unrecognised, invalid or missing balance. Usages Message type Field number Tag MT548 (Settlement Status and Processing Advice) 12 24B (Reason) MT549 (Request for Statement/Status Advice) 17 24B (Reason)