To communicate specific equipment information.
To cross-reference additional equipment to a primary piece of equipment.
To transmit identifying numbers and descriptive information as specified by the reference number qualifier
To record seal numbers used and the organization that applied the seals.
To specify the status of the shipment in terms of dates, time, reference numbers, and location
To transmit information in a free-form format, if necessary, for comment or special instruction
To specify protective service information
To provide vessel details and voyage number
Contractual or operational port or point relevant to the movement of the cargo.
To specify special handling instructions in coded or free-form format