Article L227-18 of the French Commercial code
If the Articles of Association do not specify the terms of the share transfer price when the company implements a clause introduced pursuant to articles L. 227-14, L. 227-16 and L. 227-17, this price is set by agreement between the parties or, failing that, determined under the conditions provided for in Article 1843-4 of the Civil Code. When the shares are bought back by the company, it is obliged to…