SWIFT ISO 15022 - Code SPLG Signification Security Interest (Single Pledge): Security interest (single pledge). Utilisations Type de message Numéro de champ Tag MT503 (Collateral Claim) 29 22a (Indicator) MT504 (Collateral Proposal) 29 22a (Indicator) MT505 (Collateral Substitution) 21 22a (Indicator)