Can.1417 $1. In virtue of the primacy of the Roman Pontiff, anyone of the faithful is free to bring to or introduce before the Holy See a case either contentious or penal in
any grade of judgement and at any stage of litigation.
$2. A recourse made to the Apostolic See, however, does not suspend the exercise of jurisdiction by a judge who has already begun to adjudicate the case except in the case of
an appeal; for this reason, the judge can pursue judgment up to the
definitive sentence unless the Apostolic See has informed the judge that it has called the case to itself.
Can.1418Every tribunal has the right to call upon the assistance of another tribunal to instruct a case or to communicate acts.