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431Railroad Station Master File

This X12 Transaction Set provides the format and establishes the data contents of the Railroad Station Master File Transaction Set (431) for use within the context of an Electronic Data Interchange (EDI) environment. The transaction set will be used by the Association of American Railroads (AAR) and the rail carriers to apply and disseminate information concerning the railroad stations. Rail carriers report to the AAR the addition or deletion of, or changes to, the list of stations they serve as updates to the centrally maintained master file. The AAR in turn provides all updates to the rail carriers and other subscribers to the system.

  • ST
    Transaction Set Header
    M必须(Mandatory)
    Repeat 1

    To indicate the start of a transaction set and to assign a control number

  • SMB
    Beginning Segment for Railroad Station Master File
    M必须(Mandatory)
    Repeat 1

    To identify the type of transaction update and type of station

  • DTM
    Date/Time Reference
    M必须(Mandatory)
    Repeat 10

    To specify pertinent dates and times

  • N4
    Geographic Location
    M必须(Mandatory)
    Repeat 10

    To specify the geographic place of the named party

  • REF
    Reference Information
    O可选(Optional)
    Repeat 10

    To specify identifying information

  • SMS
    Station Codes Segment
    M必须(Mandatory)
    Repeat 1

    To identify the specific railroad carrier codes associated with the station

  • N1
    Party Identification
    O可选(Optional)
    Repeat 10

    To identify a party by type of organization, name, and code

  • SMR
    Cross Reference
    O可选(Optional)
    Repeat 10

    To identify the specific station that indicates the switching district for a given railroad terminal or the specific station used to identify a geographical location as a rate base location

  • SMO
    Operational Services
    O可选(Optional)
    Repeat 10

    To identify the specific railroad operating facilities and characteristics for the station in the transaction

  • SE
    Transaction Set Trailer
    M必须(Mandatory)
    Repeat 1

    To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)

Segment
X12 EDI Release 00505
STTransaction Set Header
To indicate the start of a transaction set and to assign a control number
Elements
  • ST01143Transaction Set Identifier Code
    ID
    M必须(Mandatory)
    Min 3 / Max 3

    Code uniquely identifying a Transaction Set

    Codes (320)
  • ST02329Transaction Set Control Number
    AN
    M必须(Mandatory)
    Min 4 / Max 9

    Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set

  • ST031705Implementation Convention Preference
    AN
    O可选(Optional)
    Min 1 / Max 9

    Reference assigned to identify Implementation Convention

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