SWIFT ISO 15022 - Code SUBR Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Partly Accepted: Party A agrees with the return part of the substitution and accepts to wait for the proposal of the new collateral. Usages Message type Field number Tag MT507 (Collateral Status and Processing Advice) 13 25D (Status) MT549 (Request for Statement/Status Advice) 16 25D (Status)