I.-Any clause having the effect, after the expiry or termination of one of the contracts mentioned in Article L. 341-1, to restrict the freedom to carry on the commercial activity of the operator who has previously entered into this contract is deemed to be unwritten.
II.-Clauses shall not be subject to I of this article if the person relying on them demonstrates that they meet the following cumulative conditions:
1° They relate to goods and services that are in competition with those that are the subject of the contract referred to in I;
2° They are limited to the land and premises from which the operator carries on its business during the term of the contract referred to in I ;
3° They are essential for the protection of the substantial, specific and secret know-how transmitted under the contract mentioned in I;
4° Their duration does not exceed one year after the expiry or termination of one of the contracts mentioned in Article L. 341-1.