SWIFT ISO 15022 - Code OUTT Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Outright Transfer: Absolute transfer of title. Usages Message type Field number Tag MT503 (Collateral Claim) 29 22a (Indicator) MT504 (Collateral Proposal) 29 22a (Indicator) MT505 (Collateral Substitution) 21 22a (Indicator)