P.R. Laws tit. 13, § 84
The civil causes authorized in §§ 82e and 83e of this title, as well as any controversy on its implementation that requires the interpretation of any of its provisions, shall originally be of the competence of the Court of First Instance, San Juan Superior Part. The Court of First Instance shall expeditiously adjudicate those cases to which this section refers and give preference to the same in its calendar. Any party affected by a final decision issued by the Court of First Instance regarding those cases referred to in this section, may file a motion for appeal before the Supreme Court of Puerto Rico within the twenty (20) days following notice thereof. The interlocutory determinations of the Court of First Instance shall not be the object of [review] through a recourse independent from the motion for appeal herein authorized, except for determinations of the Court of First Instance that include an opinion on the constitutional validity of any part of this chapter, whose determinations shall be prone to revision by the Supreme Court of Puerto Rico just as if it were a final decision issued by the Court of First Instance.
History —Aug. 1, 2005, No. 39, art. 7.