To reference a line number in a transaction set
To identify the equipment
To identify the car service directive or other car movement instructions applicable to the empty movement of the car
To specify the chassis equipment details in terms of identifying numbers, weights, and ownership
To identify the rail origin of the shipment
To identify the rail destination of the shipment
To transmit identifying information as specified by the Reference Identification Qualifier
To identify a party by type of organization, name, and code
To specify special handling instructions in coded or free-form format
To specify the line item in terms of description, quantity, packaging, and marks and numbers
To specify carrier and routing sequences and details
To define motor vehicle identification and logistics
To communicate basis of pricing, such as contract number, quote number, or tariff number