P.R. Laws Ap. tit. 32A, § III, Rule 53.2
(a) The bill of appeal:
(1) Shall specify the names of the appellant parties;
(2) shall specify any other petition on the same case pending on the date of filing;
(3) shall indicate the court of appeals before which the appeal is made;
(4) shall specify the cites of the legal principles establishing the jurisdiction and venue of the court of appeals;
(5) shall designate the judgment or part thereof which is appealed;
(6) shall contain a true and concise statement of the facts of the case;
(7) shall contain the issues and discussion of the errors that, in the opinion of the appellant, were committed by the respondent court;
(8) shall indicate and discuss the constitutional issue or issues set forth, when the law requires it; and
(9) in appeals before the Circuit Court of Appeals, the appendix provided in Rule 54.4.
(b) The filing of a writ of appeal shall constitute the argument of the appellant. No statement of error omitted or not discussed in the writ of appeal shall be considered.
(c) Whenever the weighing of evidence made by the Court of First Instance is questioned, the appellant may file a supplementary argument thirty (30) days following the approval of the statement of evidence or the submittal of the transcript, with the purpose of referring to the portions of the statement or of the transcript that are relevant to their statements of error.
(d) The petitioner shall serve notice of the filing of the bill of appeal to all parties or their attorney of record, within the term to appeal and in the form prescribed in Rule 67.
History —Amended on Dec. 25, 1995, No. 249, § 20, eff. May 1, 1996.