Z

Zone Contracting
The award of contracts according to district or region designation. This type of award issuance is generally applied when the potential for service by a single vendor to an entire area

Zone of rate flexibility
Railroads are permitted to raise rates by a percentage increase in the railroad cost index determined by the ICC, rates may be raised by 6% per year through 1984 and 4% thereafter.

Zone of rate freedom
Motor carriers are permitted to raise or lower rates by 10% in one year without ICC interference, if the rate change is within the zone of freedom, the rate is presumed to be reasonable.

Zone of reasonableness
A zone or limit within which air carriers are permitted to change rates without regulatory scrutiny, if the rate change is within the zone, the new rate is presumed to be reasonable.

Zone Picking
A method of subdividing a picking list by areas within a storeroom for more efficient and rapid order picking. A zone-picked order must be grouped to a single location and the separate pieces combined before delivery or must be delivered to different locations, such a work centers. Also see: Batch Picking

Zone price
The constant price of a product at all geographic locations within the zone.

Zone Skipping
For shipments via the US Postal Service, depositing mail at a facility one or more zones closer to the destination. This option would benefit customers operating in close proximity to a zone border or shipping sufficient volumes to offset additional transportation costs.