Identifies the origin of the order.
| Code | Meaning |
|---|---|
| 1 | Order received from a customer |
| 2 | Order received from within the firm |
| 3 | Order received from another broker-dealer |
| 4 | Order received from a customer or originated from within the firm |
| 5 | Order received from a direct access or sponsored access customer |
| 6 | Order received from a foreign dealer equivalent |
| 7 | Order received from an execution-only service |