UNB Segment

Syntax Identifier

This mandatory element identifies both the level of the syntax and the agency controlling the syntax, for example UNOA.

Syntax Version Number

This mandatory element indicates the version number identified in the Syntax Identifier element.

Sender Identification

This mandatory element identifies the name of or a code for, the sender of the data.

Identification Code Qualifier

This optional element refers to the sources for the codes of the interchanging partner's identifiers. For example, a qualifier of ZZ indicates that the partners mutually defined the codes.

Address for Reverse Routing

This optional element contains a return address specified by the sender of the message. The recipient may want to include this address in any response messages to this sender to facilitate internal routing.

Recipient Identification

This mandatory element identifies the name of or a code for, the recipient of the data.

Identification Code Qualifier

This optional element refers to the sources for the codes of the interchanging partner's identifiers. For example, a qualifier of ZZ indicates that the partners mutually defined the codes.

Routing Address

This optional element contains the address specified by the recipient of the message that the sender is to include. The recipient uses this address for routing messages received by the sender.

Date of Preparation

This mandatory element indicates the date that the interchange was prepared. This information is in the format YYMMDD.

Time of Preparation

This mandatory element indicates the time that the interchange was prepared. This information is in the 24-hour clock format.

Interchange Control Reference

This mandatory element is a unique reference that the sender assigns to the interchange.

Recipient Reference Password

This optional element indicates the reference or password for the recipient that the partners mutually define.

Recipient Reference Password/Qualifier

This optional element indicates the qualifier for the reference or password for the recipient.

Application Reference

This optional element assigned by the sender identifies the application associated with the messages in the interchange.

Processing Priority Code

This optional element indicates the processing priority for the interchange requested from the sender.

Acknowledgement Request

This optional element the sender uses indicates a request for an acknowledgement of the interchange from the recipient.

Communications Agreement Id

This optional element indicates by name or code the type of agreement under which the interchange took place.

Test Indicator

This optional element indicates that the interchange is a test.