Article 167: General provisions on the consequences of the invalidity of a transaction

1. An invalid transaction does not produce legal effects, except those relating to its invalidity, and is not valid from the time of its commission. 2. In the event that the transaction was not valid, each party to the transaction would not be deemed to have acted in good faith after the transaction had been declared null and void. Reimbursing the other of the transaction and, in the event that it is not possible to return the proceeds in kind (including when the proceeds are expressed in the use of the property carried out by the work) 3. If the substance of the disputed transaction indicates that it can only be 4. The court may not apply the consequences of the invalidity of the transaction (paragraph 2 of this article). ), if their application would be contrary to the principles of law and order or morality.