Alphanumeric characters assigned for differentiation within a transaction set

SN101 is the ship notice line-item identification.

Numeric value of units shipped in manufacturer's shipping units for a line item or transaction set

Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken

SN103 defines the unit of measurement for both SN102 and SN104.

Number of units shipped to date

Quantity ordered

Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken

Code identifying the load make-up of the returnable containers in the shipment

Code specifying the action taken by the seller on a line item requested by the buyer