P.R. Laws tit. 32, § 3241
(1) This chapter shall apply to international commercial arbitration without prejudice to any multilateral or bilateral agreement in effect between the United States and any other country or countries.
(2) The provisions of this chapter, except §§ 3242, 3242a, 3245h-3245j, 3249 and 3249a of this title, shall apply only if the place of arbitration is in the territory of Puerto Rico.
(3) An arbitration is international if:
(a) The parties to an arbitration agreement have, at the time of the conclusion of that agreement, their places of business in different countries, or
(b) one of the following places is located outside of the country in which the parties have their place of business:
(i) The place of arbitration if determined in or pursuant to the arbitration agreement.
(ii) Any place where a substantial part of the obligations of the commercial relationship is to be performed or the place with which the subject matter of the dispute is most closely connected, or
(c) the parties have expressly agreed that the subject matter of the arbitration agreement relates to more than one country.
(4) For purposes of subsection (3) of this section:
(a) If a party has more than one place of business, the place of business is that which has the closest relationship to the arbitration agreement.
(b) If a party does not have a place of business, reference is to be made to his habitual residence.
(5) This chapter shall not affect any other law applicable to Puerto Rico by virtue of which certain disputes may not be submitted to arbitration or may be submitted to arbitration.
History —Jan. 5, 2012, No. 10, § 1.02.