What is the difference between annulment unto to...

Invalidity is attached to the conduct itself, as this behavior may be issued from incompetent or incomplete, or the behavior may be issued by a person who does not possess the thing, or the behavior may be contrary to law and to public order, and the parties may not agree to authorize this behavior. It is permissible to rescind it by agreement of the parties or by a text in the contract for the notification of one of the parties to one of the conditions of the contract or with the issuance of a judicial ruling or the death of one of the parties
Invalidity is the result of a serious mistake in the law that prevents the completion of the elements of the contract ..... As for the annulment, it is due to the failure of one of the contracting parties to comply with the terms of the contract, then the other party must request annulment .. The two parties, because an imbalance of one of the conditions of the status of the partners does not harm or harm the public order and does not result in a grave mistake in the law, otherwise it was called false.