Exchanges relating to all or part of mines under concession or lease with a view to rationalising their exploitation and increasing their productivity benefit from the tax regime laid down by Article 708, provided that the exchange deed expressly states that it is made under the benefit of the provisions of decree no. 54-944 of 14 September 1954.
In accordance with the provisions of articles L. 143-1, L. 143-8 and L. 143-13 of the Mining Code, the exchanges provided for in the first paragraph may only be carried out after authorisation has been given by the Minister responsible for mines. This authorisation must specify that the transaction benefits from the exemption system set out in this article.