Eventual absence of a mandatory document [certificate of finality of the arbitration award] capable of supporting the enforcement action and conferring upon the enforceable instrument liquidity, certainty and enforceability (Articles 586 and 475-L, II, both of the Code of Civil Procedure), authorizes the presiding judge, first, to notify the creditor party to regularize the proceedings. In the arbitration tribunal, res judicata occurs directly and immediately, that is, as soon as the arbitration award is rendered and the parties are notified thereof: