| Field identifier | LISTING_ORGANIZATION |
| Field description | Organisation that lists the donor/cbu provided as ION |
| Element type | InventoryType |
| Field type | ionType |
| Required | Yes |
| Length | 4 |
| Comment | Issuing Organisation Number (ION) allocated by ICBBA. This can be different from the POOL when another organisation is sending the data to WMDA. |
| Dictionary field | REG_SND (EMDIS message only, not in WMDA data dictionary.) |
| EMDIS fields related to dictionary field |
REG_SND |