SWIFT ISO 15022 - Code CONL Meaning Concentration Limit Exceeded: Concentration limit was exceeded. Usages Message type Field number Tag MT507 (Collateral Status and Processing Advice) 14 24B (Reason) MT507 (Collateral Status and Processing Advice) 25 24B (Reason: Rejection Reason) MT549 (Request for Statement/Status Advice) 17 24B (Reason)