P.R. Laws tit. 4A, § 8
(a) Civil cases. — In civil cases, the notice of appeal containing the assignments of error and the arguments shall constitute appellant’s brief and a supplementary one shall not be allowed except for just cause and with the leave of the Court of First Instance. Assignments of error omitted from the notice of appeal shall not be considered. Within twenty (20) days after the parties are notified of the filing of the record on appeal, appellee shall present to the Court of First Instance his brief in the case, serving notice to all the parties, arguing each one of the errors assigned by the appellant in his notice of appeal.
(b) Criminal cases. — In criminal cases, the appellant shall present a brief to the Court of First Instance within twenty (20) days after notice is served on the parties of the filing of the record on appeal arguing the assignment of errors contained in the notice of appeal. Appellee shall present his brief within twenty (20) days after notice is served of the filing of appellant’s brief.
A motion to dismiss the case shall not suspend the terms for the filing of appellee’s brief.
History —June 7, 1979, eff. Oct. 1, 1979.