The indexation to the general price level authorised for certain products and loans by article L. 112-3 is implemented using the consumer price index for all households, excluding tobacco, published monthly by the National Institute for Statistics and Economic Studies.
The harmonised consumer price index, excluding tobacco, for the euro zone, calculated monthly by the Statistical Office of the European Communities in Luxembourg (EUROSTAT) and published by Agence France Trésor, may also be used.