Article L430-1 of the French Commercial code
I. – A concentration is effected: 1° Where two or more previously independent undertakings merge; 2° Where one or more persons, already holding control of at least one undertaking or where one or more undertakings acquire, directly or indirectly, whether by acquisition of a stake in the capital or purchase of assets, contract or any other means, control of the whole or parts of one or more other undertakings. II….