Free economic zones (FEZ), free economic territories (FETs) or free zones (FZ) are a class of special economic zone (SEZ) designated by the trade and commerce administrations of various countries. The term is used to designate areas in which companies are taxed very lightly or not at all to encourage economic activity. The taxation rules are determined by each country. The World Trade Organization (WTO) Agreement on Subsidies and Countervailing Measures (SCM) has content on the conditions and benefits of free zones.
Some special economic zones are called free ports. Sometimes they have historically been endowed with favorable customs regulations such as the free port of Trieste. In recent years the free port system has been accused of facilitating international art crime, allowing stolen artworks to remain undetected in storage for decades.
According to the 1999 Revised Kyoto Convention, a "'free zone' means a part of the territory of a contracting party where any goods introduced are generally regarded, insofar as import duties and taxes are concerned, as being outside the customs territory."
An early type of special economic zone was free ports, these historically were endowed with favorable customs regulations such as the free port of Trieste. In modern times free port has come to mean a specific type of special economic zone, for example LADOL.
Bangladesh Export Processing Zone Authority
Export Processing Zone of Tangier
Free Zones at Tanger Med Ksar el Majaz Mellousa 1 and 2
Free Zone in Dakhla and Laayoune
Free Storage Zone of hydrocarbons: Kebdana and Nador
Export Processing Zone in Kenitra
Qatar has free zones and Special Economic Zones with differing laws on taxation and corporate ownership
In Russia there are only Special Economic Zones
Technical/Innovational Zones
Industrial/developmental Zones
Tourist Zones