SWIFT ISO 15022 - Code SUPP Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Supplemental Lottery Notification: Supplemental or additional quantity called on a previously announced original lottery. Usages Message type Field number Tag MT564 (Corporate Action Notification) 51 22F (Indicator) MT566 (Corporate Action Confirmation) 37 22F (Indicator)