Rules on Civil Procedure
Section 48. Effect of foreign judgments or final orders. - The effect of a judgment or final order of a tribunal of a foreign country, having jurisdiction to render the judgment or final order is as follows:
(a) In case of a judgment or final order upon a specific thing, the judgment or final order, is conclusive upon the title to the thing, and
(b) In case of a judgment or final order against a person, the judgment or final order is presumptive evidence of a right as between the parties and their successors in interest by a subsequent title.
In either case, the judgment or final order may be repelled by evidence of a want of jurisdiction, want of notice to the party, collusion, fraud, or clear mistake of law or fact. (50a)
Appeals