Different bid shopping rules exist, based on the type of project and the laws in the region where the project is planned. Some areas forbid bid shopping because it might encourage the use of inferior materials or poor workmanship to increase profits for the contractor.
Enterprise Zones (EZs) Enterprise zones (EZs) are geographic areas in which companies can qualify for a variety of subsidies. The original intent of most EZ programs was to encourage businesses to stay, locate, or expand in depressed areas and thereby help to revitalize them.
An Introduction to Foreign-Trade Zones. Foreign-Trade Zones (FTZ) are secure areas under U.S. Customs and Border Protection (CBP) supervision that are generally considered outside CBP territory upon activation. Located in or near CBP ports of entry, they are the United States' version of what are known internationally as free-trade zones.