UNHMESSAGE HEADER

To head, identify and specify a message.
0062
MESSAGE REFERENCE NUMBER
Mandatory an 0..14
Unique message reference assigned by the sender.
S009
MESSAGE IDENTIFIER
Mandatory Min: 1 Max: 1
Identification of the type, version, etc. of the message being interchanged.
0065
Message type
Mandatory an 0..6
Code identifying a type of message and assigned by its controlling agency.
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0052
Message version number
Mandatory an 0..3
Version number of a message type.
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0054
Message release number
Mandatory an 0..3
Release number within the current message version number.
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0051
Controlling agency, coded
Mandatory an 0..3
Code identifying a controlling agency.
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0057
Association assigned code
Conditional an 0..6
Code, assigned by the association responsible for the design and maintenance of the message type concerned, which further identifies the message.
0110
Code list directory version number
Conditional an 0..6
Version number of the code list directory.
0113
Message type sub-function identification
Conditional an 0..6
Code identifying a sub-function of a message type.
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0068
COMMON ACCESS REFERENCE
Conditional an 0..35
Reference serving as a key to relate all subsequent transfers of data to the same business case or file.
S010
STATUS OF THE TRANSFER
Conditional Min: 0 Max: 1
Statement that the message is one in a sequence of transfers relating to the same topic.
0070
Sequence of transfers
Mandatory n 0..2
Number assigned by the sender indicating the transfer sequence of a message related to the same topic. The message could be an addition or a change to an earlier transfer related to the same topic.
0073
First and last transfer
Conditional a 1
Indication used for the first and last message in a sequence of messages related to the same topic.
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S016
MESSAGE SUBSET IDENTIFICATION
Conditional Min: 0 Max: 1
Identification of a message subset by its identifier, version, release and source.
0115
Message subset identification
Mandatory an 0..14
Coded identification of a message subset, assigned by its controlling agency.
0116
Message subset version number
Conditional an 0..3
Version number of the message subset.
0118
Message subset release number
Conditional an 0..3
Release number within the message subset version number.
0051
Controlling agency, coded
Conditional an 0..3
Code identifying a controlling agency.
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S017
MESSAGE IMPLEMENTATION GUIDELINE IDENTIFICATION
Conditional Min: 0 Max: 1
Identification of a message implementation guideline by its identifier, version, release and source.
0121
Message implementation guideline identification
Mandatory an 0..14
Coded identification of the message implementation guideline, assigned by its controlling agency.
0122
Message implementation guideline version number
Conditional an 0..3
Version number of the message implementation guideline.
0124
Message implementation guideline release number
Conditional an 0..3
Release number within the message implementation guideline version number.
0051
Controlling agency, coded
Conditional an 0..3
Code identifying a controlling agency.
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S018
SCENARIO IDENTIFICATION
Conditional Min: 0 Max: 1
Identification of a scenario.
0127
Scenario identification
Mandatory an 0..14
Code identifying scenario.
0128
Scenario version number
Conditional an 0..3
Version number of a scenario.
0130
Scenario release number
Conditional an 0..3
Release number within the scenario version number.
0051
Controlling agency, coded
Conditional an 0..3
Code identifying a controlling agency.
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