P.R. Laws Ap. tit. 32A, § III, Rule 37.2
In cases set for a pretrial conference, the attorneys for both parties shall meet informally at least ten (10) days prior to the date of the conference, for the following purposes:
(1) To set forth in writing the controverted as well as the noncontroverted facts.
(2) To exchange lists of potential witnesses in accordance with the discovery obtained.
(3) To decide the designation of an expert witness appointed by the court and stipulate in writing the qualifications of all expert witnesses for both parties.
(4) To examine and mark all exhibits which the parties intend to present at the trial, reach an agreement as to their genuineness and admissibility, and, in case of disagreement, to specify the reasons therefor.
(5) To examine and prepare a list of the depositions to be presented in evidence at the trial pursuant to law. If any party objects to the admissibility of any portion of the deposition, he shall identify it and explain the reasons for objection.
(6) To simplify the issues for trial.
(7) To discuss a possible settlement of the case.
(8) To consider any other of the measures contemplated in Rule 37.1.
At least five (5) days prior to the date set for the conference, the attorneys for both parties shall submit to the office of the clerk of the trial court in which the action is pending a draft of the pretrial conference order with as many copies thereof as are necessary in order to serve notice on all parties.