ICS2 - Messages and status
Overview of the Various Messages and Their Cycle in ICS2
Below list of messages we send and receive in ICS2
Sending an ENS:
| Sending | Received | Approved | Failed | |
| Message | IE3Fxx | IE3R01 | IE3N03 | IE3N01, IE3N02, IE3N07, IE3N99 | 
| Status Emma | 3 | 3D | 9 | 4 | 
Sending an Arrival:
| Sending | Approved | Failed | |
| Message | IE3N06 | IE3R04 | IE3N07, IE3N99 | 
| Status Emma | 3 | 3D | 4 | 
All messages:
| Message | Message name | 
 | Description | Reply to | Reference | Status in Emma | 
| IE3Fxx | E_ENS_xxx_DEC | Send | ENS filing | - | LRN | 
 | 
| IE3Axx | E_ENS_xxx_AMD | Send | ENS filing amendment | - | MRN | 
 | 
| IE3Q01 | E_DNL_REQ | Receive | Do not load request | IE3Fxx/IE3Axx | 
 | 
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| IE3Q02 | E_REF_RFI_REQ | Receive | Additional information request | IE3Fxx/IE3Axx | 
 | 4 | 
| IE3Q03 | E_REF_RFS_REQ | Receive | HRCM screening request | IE3Fxx/IE3Axx | 
 | 
 | 
| IE3Q04 | E_INV_REQ | Send | Invalidation request | - | MRN | 
 | 
| IE3Q05 | E_ENS_CNS | Send | ENS consultation | - | MRN | 
 | 
| IE3R01 | E_ENS_REG_RSP | Receive | ENS Registration response | IE3Fxx | 
 | 3D | 
| IE3R02 | E_REF_RFI_RSP | Send | Additional information response | IE3Q02 | MRN | 
 | 
| IE3R03 | E_REF_RFS_RSP | Send | HRCM screening response | IE3Q03 | MRN | 
 | 
| IE3R04 | E_ARV_REG_RSP | Receive | Arrival registration response | IE3N06 | 
 | 3D | 
| IE3R07 | E_INV_ACC_RSP | Receive | Invalidation acceptance response | IE3Q04 | 
 | 
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| IE3R08 | E_ENS_CNS_RES | Receive | ENS consultation results | IE3Q05 | 
 | 
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| IE3N01 | E_ELF_VLD_NOT | Receive | ENS lifecycle validation error | IE3Fxx/IE3Axx | 
 | 4 | 
| IE3N02 | E_ENS_NCP_NOT | Receive | ENS Not complete | IE3Fxx/IE3Axx | 
 | 4 | 
| IE3N03 | E_ASM_CMP_NOT | Receive | Assessment complete | IE3Fxx/IE3Axx | 
 | 9 | 
| IE3N04 | E_REF_RFI_NOT | Receive | Additional information request notification | Other party sending | 
 | 
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| IE3N05 | E_REF_RFS_NOT | Receive | HRCM screening request notification | Other party sending | 
 | 
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| IE3N06 | E_ARV_NOT | Send | Arrival Notification | - | LRN | 3 | 
| IE3N07 | E_HCS_INC_NOT | Receive | House consignment in incorrect state | IE3N06 | 
 | 4 | 
| IE3N08 | E_CON_NOT | Receive | Control notification | IE3N06 | 
 | 7 | 
| IE3N09 | E_AEO_CON_NOT | Receive | AEO control notification | IE3N06 | 
 | 
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| IE3N10 | E_AMD_NOT | Receive | Amendment notification | IE3Axx | 
 | 
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| IE3N11 | E_ENS_PND_NOT | Receive | ENS pending notification | Other party sending | 
 | 
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| IE3N12 | E_RAS_NOT | Receive | Pre-loading risk assessment status notification | IE3Q05 | 
 | 
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| IE3N99 | E_ERR_NOT | Receive | Error notification | IE3Fxx/IE3Axx/IE3N06 /IE3Q04 | 
 | 4 | 
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