Contractual or operational port or point relevant to the movement of the cargo.

To specify pertinent dates and times

To identify the equipment.

To record seal numbers used and the organization that applied the seals.

To identify further the equipment referenced

To cross-reference additional equipment to a primary piece of equipment.

To specify the cargo location on board the vessel.

Contractual or operational port or point relevant to the movement of the cargo.

To relate equipment type and required temperatures

To specify special handling instructions in coded or free-form format

To specify information relative to hazardous material

To transmit identifying numbers and descriptive information as specified by the reference number qualifier