The professional tax ("taxe professionnelle") is due each year by legal persons or natural persons who are self-employed in France. Various exemptions are provided (activities performed by the State, local authorities and public institutions, business and agricultural organizations, etc.). The tax base is constituted by the rental value of assets available to the taxpayer. This is then subject to discounts or rebates. The amount of business tax is calculated by multiplying the taxable net by the rates approved by each local beneficiaries. The rates are set by the local communities and organizations, within limits set by national legislation. In 2005, proceeds from the business tax amounted to €25.06 bn.