A carrier-prepared document used to notify the consignor and the consignee that a delivery cannot be completed, usually for reasons beyond the carrier
Trade Terms
OPEN INSURANCE POLICY
A marine insurance policy that applies to all shipments made by an exporter over a period of time rather than to a single shipment.
OPPORTUNITY COSTS
The expected returns of one activity which are foregone in order to pursue other activities or projects. This term is often used in financial evaluation of project feasibility, and refers…
MARKING (MARKS)
Letters, numbers and other symbols placed on cargo packages to facilitate identification.
MASTER AIR WAYBILL
An air waybill issued by the originating airline when more than one airline is involved with a shipment, or when a freight forwarder issues a house air waybill.
MATERIALS WAREHOUSE
A warehouse used exclusively for the storage of raw materials.
MDSE
Merchandise.
MERCHANDISE WAREHOUSE
A public warehouse for the storage and distribution of products that do not require refrigeration for their preservation.
MITIGATING FACTORS
Factors which, when proven to exist, lessen the severity of a penalty. Such factors include contributory Customs error, cooperation with the investigation, immediate remedial action, inexperience in importing and/or prior…
MODEM
A computer attachment that allows the transmission of information over normal telephone lines between computers.





















