UNB Interchange header

To start, identify and specify an interchange.

Position

Element

Name

Type

Requirement

Min

Max

Repeat

010 S001 Syntax identifier Composite (composite) Mandatory 1

010 · 0001 · Syntax identifier · A · Mandatory · 4 · 4 · -

Coded identification of the agency controlling a syntax and syntax level used in an interchange.

a3, upper case, Controlling Agency (e.g. UNO=UN/ECE) and a1 stating level (e.g. A) (which together give UNOA).

020 · 0002 · Syntax version number · Numeric (N) · Mandatory · 1 · 1 · -

Version number of the syntax identified in the syntax identifier (0001)

Increments 1 for each version.

020 S002 Interchange sender Composite (composite) Mandatory 1

010 · 0004 · Sender identification · String (AN) · Mandatory · 1 · 35 · -

Name or coded representation of the sender of a data interchange.

Code or name as specified in IA.

020 · 0007 · Partner identification code qualifier · String (AN) · Conditional · 1 · 4 · -

Qualifier referring to the source of codes for the identifiers of interchanging partners.

Used with sender/recipient identification code.

030 · 0008 · Address for reverse routing · String (AN) · Conditional · 1 · 14 · -

Address specified by the sender of an interchange to be included by the recipient in the response interchanges to facilitate internal routing.

030 S003 Interchange recipient Composite (composite) Mandatory 1

010 · 0010 · Recipient identification · String (AN) · Mandatory · 1 · 35 · -

Name or coded representation of the recipient of a data interchange.

Code or name as specified in IA.

020 · 0007 · Partner identification code qualifier · String (AN) · Conditional · 1 · 4 · -

Qualifier referring to the source of codes for the identifiers of interchanging partners.

Used with sender/recipient identification code.

030 · 0014 · Routing address · String (AN) · Conditional · 1 · 14 · -

Address specified by the recipient of an interchange to be included by the sender and used by the recipient for routing of received interchanges inside his organization.

If used, normally coded sub-address for onward routing.

040 S004 Date/time of preparation Composite (composite) Mandatory 1

010 · 0017 · Date of preparation · Numeric (N) · Mandatory · 6 · 6 · -

Local date when an interchange or a functional group was prepared.

YYMMDD

020 · 0019 · Time of preparation · Numeric (N) · Mandatory · 4 · 4 · -

Local time of day when an interchange or a functional group was prepared.

HHMM

050 · 0020 · Interchange control reference · String (AN) · Mandatory · 1 · 14 · 1

Unique reference assigned by the sender to an interchange.

Shall be identical in UNB and UNZ.

060 S005 Recipient's reference, password Composite (composite) Conditional 1

010 · 0022 · Recipient's reference/password · String (AN) · Mandatory · 1 · 14 · -

Unique reference assigned by the recipient to the data interchange or a password to the recipient's system or to a third party network as specified in the partners interchange agreement.

As specified in IA. May be password to recipient's system or to third party network.

020 · 0025 · Recipient's reference/password qualifier · String (AN) · Conditional · 2 · 2 · -

Qualifier for the recipient's reference or password.

Used if specified in IA.

070 · 0026 · Application reference · String (AN) · Conditional · 1 · 14 · 1

Identification of the application area assigned by the sender, to which the messages in the interchange relate e.g. the message identifier if all the messages in the interchange are of the same type.

Optionally message identification if the message interchange contains only one type of message.

080 · 0029 · Processing priority code · A · Conditional · 1 · 1 · 1

Code determined by the sender requesting processing priority for the interchange.

Used if specified in IA.

090 · 0031 · Acknowledgement request · Numeric (N) · Conditional · 1 · 1 · 1

Code determined by the sender for acknowledgement of the interchange.

Set = 1 if sender requests acknowledgement, i.e. UNB and UNZ segments received and identified.

100 · 0032 · Communications agreement ID · String (AN) · Conditional · 1 · 35 · 1

Identification by name or code of the type of agreement under which the interchange takes place.

If used, to identify type of communication agreement controlling the interchange, e.g. Customs or ECE agreement. Code or name as specified in IA.

110 · 0035 · Test indicator · Numeric (N) · Conditional · 1 · 1 · 1

Indication that the interchange is a test.

Set = 1 if the interchange is a test. Otherwise not used.