The business property tax is based on the rental value of property subject to property tax located in France, excluding property exempt from property tax on built-up properties under 11°, 12° and 13° of Article 1382, which the taxpayer has used for the purposes of his professional activity during the reference period defined in Articles 1467 A and 1478, with the exception of those that have been destroyed or transferred during the same period.
However, the following are not included in the tax base for the business property tax assessment:
1° Assets intended for the supply and distribution of water when they are used for irrigation for at least nine-tenths of their capacity;
2° Common parts of buildings available to a business that carries on a building rental or subletting activity.
The rental value of property subject to property tax is calculated in accordance with the rules laid down for the establishment of this tax.
For the calculation of the tax, the rental value of industrial fixed assets defined in Article 1499 is reduced by 30%.
The elements used to determine the bases for the business property tax and additional taxes are rounded to the nearest euro. The fraction of a euro equal to 0.50 is counted as 1.