| Field code | REG_SND |
| Field description | Sending EMDIS registry |
| Field type | Numeric Length: 4 |
| Field rule | ION (i.e. 6939) of sending EMDIS registry. See [3]. |
| Dictionary field | REG_SND (EMDIS message only, not in WMDA data dictionary.) |
| EMDIS messages |
ADMIN ALM_REQ ALM_RES CBR_REQ CBU_DIFF CBU_FULL DONOR_CB IDM_REQ IDM_RES MARR_STAT MATCH_SUM MSG_ACK MSG_DEN NEW_ADD NO_RES PAT_STAT PAT_UPD PHEN_LIST REQ_CAN RES_REM RSV_NOT RSV_REQ RSV_RES SMP_ARR SMP_INFO SMP_REQ SMP_RES TXT_MSG TYP_REQ TYP_RES WARNING WOR_REQ |
| WMDA XML fields related to dictionary field |
LISTING_ORGANIZATION |