Indexing of commercial rents.

The article 47 of Act no. 2008-776 on the modernization of the economy of 4 August 2008 introduced the Commercial Rent Index (ILC).

Since the Act 2014-626 of 18 June 2014 (Article 9) which amends the former act and the article L145-34 of the Commercial Code resulting, two indices may be used for the purpose of indexing commercial property rents:
- The Commercial Rent Index (CRI) for commercial and craft activities;
- The Tertiary Activities Rent Index (TARI) for services activities other than commercial which are carried on in business premises, including in particular professions and activities in logistics warehouses.
Decree no. 2008-1139 of 4 November 2008, relating to the Commercial Rent Index, defines the calculation and publication procedures for this index, in addition to the activities concerned.

Decree n°2022-357 of 14 March 2022 alters Decree n°2008-1139 of 4 November 2008 relating to the quaterly Commercial Rent Index, according to articles 2 to 5. It changes in particular the formula for calculating the Commercial Rent Index.

Computation of rent reference indices