To indicate the start of a transaction set and to assign a control number
To identify a party by type of organization, name, and code
300
N2
Additional Name Information
To specify additional names
To specify the location of the named party
To specify the geographic place of the named party
To identify a person or office to whom communications should be directed
700
N9
Extended Reference Information
To transmit identifying information as specified by the Reference Identification Qualifier
To specify pertinent dates and times
900
N9
Extended Reference Information
To transmit identifying information as specified by the Reference Identification Qualifier
1000
TD5
Carrier Details (Routing Sequence/Transit Time)
To specify the carrier and sequence of routing and provide transit time information
1100
L0
Line Item - Quantity and Weight
To specify quantity, weight, volume, and type of service for a line item including applicable "quantity/rate-as" data
1200
L5
Description, Marks and Numbers
To specify the line item in terms of description, quantity, packaging, and marks and numbers
To specify information relative to hazardous material
To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)