SWIFT ISO 15022 - Code TBSP Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning To be Specified: Price to be specified by account owner. Usages Message type Field number Tag MT564 (Corporate Action Notification) 85 90a (Price) MT564 (Corporate Action Notification) 96 90a (Price) MT565 (Corporate Action Instruction) 45 90a (Price)