SWIFT ISO 15022 - Code DEPH Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Dematerialised to Physical: Change from dematerialised into physical form. Usages Message type Field number Tag MT564 (Corporate Action Notification) 51 22F (Indicator) MT565 (Corporate Action Instruction) 39 22a (Indicator) MT566 (Corporate Action Confirmation) 37 22F (Indicator)