The Code de l' urbanism defines four types of zones regulated in the local plan of #x27; urbanism (R.123-5 to 8): urban areas (U), urban areas (AU), agricultural areas (A) and natural and forest areas (N). These areas are delimited on one or more graphic documents. A settlement is attached to each zone. The regulation may lay down different rules, depending on whether the purpose of the constructions concerns the habitation, l' hotel accommodation, offices, commerce, l' handicrafts, l' industry, l' agricultural or forestry operations or the function of #x27; warehouse. These categories are limited (Art. R.123-9).
U zones are those sectors already urbanised where existing or under construction public facilities have sufficient capacity to serve the constructions to be installed.
The natural areas of the municipality which are intended to be open to urbanisation may be classified as AU zones, depending on whether or not the existing equipment on the periphery is sufficient to serve the constructions to be installed. There are two types of AU zone: ‘constructible’ AU zones and ‘unconstructible’ AU zones.
The sectors of the municipality, equipped or not, to be protected because of the agronomic, biological or economic potential of agricultural land, may be classified as zones A.
Sectors of the municipality may be classified as N zones, whether equipped or not, to be protected either because of the quality of the sites, natural environments, landscapes and their interest, in particular from an aesthetic, historical or ecological point of view, or because of the existence of #x27; forest exploitation or their character of natural areas.
— Within N zones, may be demarcated:
perimeters in which the possibility of transferring the right to build can be carried out (transfer of COS),
— sectors of limited size and capacity where constructions are possible under the condition of ' implantation and density.
__Origin__
Scan 25
__Partner organisations__
DDT Cher
__Links annexes__
* [COVADIS data standard: Punctual localised treatment plants](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_ASST_STEP_P)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/c57ddc157a3d2ac88cf3aec7144ee6eab38e0921)
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