ZUS, ZRU and ZFU

Perimeters of the "Sensitive Urban Areas" (ZUS), "Zones of
Urban revitalisation" (ZRU) and the "Zones Franches Urbaines" (ZFU).

This priority geography has been implemented by the "Pact of
recovery for the city" (Law of 14 November 1996 put into force on 1st
January 1997) according to the principle of territorial discrimination
positive. By means of derogating measures in the field of taxation and
the aim was to boost economic activity and employment.
in the selected territories.

Most statistical criteria define a three-way zoning
interlocking levels, in which a set of measures is applied
hierarchical.

(Source: Regional perimeter of land intervention)