SWIFT ISO 15022 - Code INCA Meaning Income Adjustment Required: Financial instruments require income adjustment, for example, dividend or interest. 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)