Full faith and credit

The federal constitutional requirement that the publicacts, records and judicial proceedings of one state be respected by each of theother states. Thus, if a judgment is conclusive in the state where it waspronounced, it is equally beyond dispute everywhere in the courts of the UnitedStates. The judgment is entitled to full faith and credit when the secondcourt's inquiry discloses that the same questions were properly before thefirst court and were fully and fairly litigated and finally decided there