UNH Message header

To head, identify and specify a message.

Position: 010 · Element: 0062 · Name: Message reference number · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 14 · Repeat: 1

Unique message reference assigned by the sender.

Shall be identical in UNH and UNT.

020 S009 Message identifier Composite (composite) Mandatory 1

Position: 010 · Element: 0065 · Name: Message type · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 6 · Repeat: -

Code identifying a type of message and assigned by its controlling agency.

Type of message being transmitted.

Position: 020 · Element: 0052 · Name: Message version number · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 3 · Repeat: -

Version number of a message type.

Version number of the message type. If UNG is used, 0052 version number of the message type in the functional group shall be identical.

Position: 030 · Element: 0054 · Name: Message release number · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 3 · Repeat: -

Release number within the current message type version number (0052).

The representation of 0054 was specified as n..3 in version 1 of ISO 9735. |

From UN/EDIFACT Directory release '04A', the more recent code values for this data element shall be derived directly from the UN/EDIFACT directory release number of the referenced message.

Position: 040 · Element: 0051 · Name: Controlling agency · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 2 · Repeat: -

Code to identify the agency controlling the specification, maintenance and publication of the message type.

Position: 050 · Element: 0057 · Name: Association assigned code · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 6 · Repeat: -

A code assigned by the association responsible for the design and maintenance of the message type concerned, which further identifies the message.

Position: 030 · Element: 0068 · Name: Common access reference · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 35 · Repeat: 1

Reference serving as a key to relate all subsequent transfers of data to the same business case or file.

Key to relate all subsequent transfers of data to the same business case or file. Within the 35 characters the IA may specify component elements.

040 S010 Status of the transfer Composite (composite) Conditional 1

Position: 010 · Element: 0070 · Name: Sequence of transfers · Type: Numeric (N) · Requirement: Mandatory · Min: 1 · Max: 2 · Repeat: -

Number assigned by the sender indicating the numerical sequence of one or more transfers.

Starts at 1 and is incremented by 1 for each transfer.

Position: 020 · Element: 0073 · Name: First and last transfer · Type: A · Requirement: Conditional · Min: 1 · Max: 1 · Repeat: -

Indication used for the first and last message in a sequence of the same type of message relating to the same topic.

Must be present if more than one transfer is foreseen.