SWIFT ISO 15022 - Code SOIC Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Sundry/Other Income: Rate relating to the underlying security for which other income is paid. Usages Message type Field number Tag MT564 (Corporate Action Notification) 64 92a (Rate) MT564 (Corporate Action Notification) 95 92a (Rate) MT566 (Corporate Action Confirmation) 45 92a (Rate) MT566 (Corporate Action Confirmation) 85 92a (Rate)