483. Likewise, where there is no other useful recourse against a judgment, the court which rendered it may revoke it at the request of one of the parties, in the following cases:(1) When the procedure prescribed has not been followed and the resulting nullity has not been covered;
(2) When the judgment has decided beyond the conclusions, or when it has failed to rule on one of the essential grounds of the suit;
(3) When, in the case of a minor or person of full age under tutorship or curatorship, no valid defence has been produced;
(4) When judgment has been rendered upon an unauthorized consent or tender subsequently disavowed;
(5) When judgment has been rendered upon documents whose falsity has only been discovered afterwards, or following fraud of the adverse party;
(6) When, since the judgment, decisive documents have been discovered whose production had been prevented by a circumstance of irresistible force or because of the act of the adverse party;
(7) When, since the judgment, new evidence has been discovered and it appears that:(a) if it had been brought forward in time, the decision would probably have been different;
(b) it was known neither to the party nor to his attorney or agent and
(c) it could not, with all reasonable diligence, have been discovered in time.