SWIFT ISO 15022 - Code NELC Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Non Eligible Currency: Currency not eligible for settlement in the CSD. Usages Message type Field number Tag MT564 (Corporate Action Notification) 68 22a (Indicator) MT564 (Corporate Action Notification) 90 22a (Indicator)