by signing it without reservation as to ratification, acceptance or approval; by signing it subject to ratification, acceptance or approval and ratifying, accepting or approving it later; by acceding to it after expiry of the time limit for signing it.
b) En le signant sous réserve de ratification, d'acception ou d'approbation, et en le ratifiant, l'acceptant ou l'approuvant ultérieurement;