SWIFT ISO 15022 - Code CDLR Meaning Conditional Delivery Awaiting Release: Instruction is in a hold/frozen/preadvice mode - infrastructure platform is awaiting release. Usages Message type Field number Tag MT537 (Statement of Pending Transactions) 19 24B (Reason) MT537 (Statement of Pending Transactions) 65 24B (Reason) MT548 (Settlement Status and Processing Advice) 12 24B (Reason) MT549 (Request for Statement/Status Advice) 17 24B (Reason)