Segments


Segments of standard ISO9735

Following a list of all segments defined in standard release ISO9735.

Segment Description
UCD DATA ELEMENT ERROR INDICATION
To identify an erroneous stand-alone, composite or component data element, and to identify the nature of the error.
UCF GROUP RESPONSE
To identify a group in the subject interchange and to indicate acknowledgement or rejection (action taken) of the UNG and UNE segments, and to identify any error related to these segments. It can also identify errors related to the USA, USC, USD, USH, USR, UST, or USU security segments when they appear at the group level. Depending on the action code, it may also indicate the action taken on the messages and packages within that group.
UCI INTERCHANGE RESPONSE
To identify the subject interchange, to indicate interchange receipt, to indicate acknowledgement or rejection (action taken) of the UNA, UNB and UNZ segments, and to identify any error related to these segments. It can also identify errors related to the USA, USC, USD, USH, USR, UST, or USU security segments when they appear at the interchange level. Depending on the action code, it may also indicate the action taken on the groups, messages, and packages within that interchange.
UCM MESSAGE/PACKAGE RESPONSE
To identify a message or package in the subject interchange, and to indicate that message's or package's acknowledgement or rejection (action taken), and to identify any error related to the UNH, UNT, UNO, and UNP segments. It can also identify errors related to the USA, USC, USD, USH, USR, UST, or USU security segments when they appear at the message or package level.
UCS SEGMENT ERROR INDICATION
To identify either a segment containing an error or a missing segment, and to identify any error related to the complete segment.
UGH ANTI-COLLISION SEGMENT GROUP HEADER
To head, identify and specify an anti-collision segment group.
UGT ANTI-COLLISION SEGMENT GROUP TRAILER
To end and check the completeness of an anti-collision segment group.
UIB INTERACTIVE INTERCHANGE HEADER
To head and identify an interchange.
UIH INTERACTIVE MESSAGE HEADER
To head, identify and specify a message.
UIR INTERACTIVE STATUS
To report the status of the dialogue.
UIT INTERACTIVE MESSAGE TRAILER
To end and check the completeness of a message.
UIZ INTERACTIVE INTERCHANGE TRAILER
To end and check the completeness of an interchange.
UNB INTERCHANGE HEADER
To identify an interchange.
UNE GROUP TRAILER
To end and check the completeness of a group.
UNG GROUP HEADER
To head, identify and specify a group of messages and/or packages, which may be used for internal routing and which may contain one or more message types and/or packages.
UNH MESSAGE HEADER
To head, identify and specify a message.
UNO OBJECT HEADER
To head, identify and specify an object.
UNP OBJECT TRAILER
To end and check the completeness of an object.
UNS SECTION CONTROL
To separate header, detail and summary sections of a message.
UNT MESSAGE TRAILER
To end and check the completeness of a message.
UNZ INTERCHANGE TRAILER
To end and check the completeness of an interchange.
USA SECURITY ALGORITHM
To identify a security algorithm, the technical usage made of it, and to contain the technical parameters required.
USB SECURED DATA IDENTIFICATION
To contain details related to the AUTACK.
USC CERTIFICATE
To convey the public key and the credentials of its owner.
USD DATA ENCRYPTION HEADER
To specify size (i.e. length of data in octets of bits) of encrypted data following the segment terminator of this segment.
USE SECURITY MESSAGE RELATION
To specify the relation to earlier security messages, such as response to a particular request, or request for a particular answer.
USF KEY MANAGEMENT FUNCTION
To specify the type of key management function and the status of a corresponding key or certificate.
USH SECURITY HEADER
To specify a security mechanism applied to a EDIFACT structure (i.e.: either message/package, group or interchange).
USL SECURITY LIST STATUS
To specify the status of security objects, such as keys or certificates to be delivered in a list, and the corresponding list parameters.
USR SECURITY RESULT
To contain the result of the security mechanisms.
UST SECURITY TRAILER
To establish a link between security header and security trailer segment groups.
USU DATA ENCRYPTION TRAILER
To provide a trailer for the encrypted data.
USX SECURITY REFERENCES
To refer to the secured EDIFACT structure and its associated date and time.
USY SECURITY ON REFERENCES
To identify the applicable header, and to contain the security result and/or to indicate the possible cause of security rejection for the referred value.