Municipal councils and the deliberative bodies of public establishments for inter-communal cooperation with their own tax status may, by deliberation taken under the conditions provided for in I of article 1639 A bis of this code, exempt from property tax on undeveloped properties, for their share, for the entire duration of the contract, undeveloped properties whose owner has entered into a contract mentioned in article L. To benefit from this exemption, before 1st January of the year following the year in which the contract is signed, the owner must submit a declaration to the tax department where the property is located, containing all the information required to identify the plots of land concerned. This declaration must be accompanied by a copy of the contract.
Where the declaration is submitted after the deadline, the exemption applies for the period remaining after 31 December of the year in which it was submitted.