SWIFT ISO 15022 - Code NREN Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meanings Non Renounceable: Intermediate securities cannot be sold. Non Renounceable: Intermediate securities cannot be traded. Usages Message type Field number Tag MT564 (Corporate Action Notification) 36 22F (Indicator) MT564 (Corporate Action Notification) 51 22F (Indicator)