P.R. Laws tit. 8, § 1304
(a) A tribunal of Puerto Rico may exercise jurisdiction to establish a support order if the petition or comparable pleading is filed after a pleading is filed in another state or a foreign country only if:
(1) The petition or comparable pleading in Puerto Rico is filed before the expiration of the time allowed in the other state or the foreign country for filing a responsive pleading challenging the exercise of jurisdiction by the other state or the foreign country;
(2) the contesting party timely challenges the exercise of jurisdiction in the other state or the foreign country; and
(3) if relevant, Puerto Rico is the home state of the child.
(b) A tribunal of Puerto Rico may not exercise jurisdiction to establish a support order if the petition or comparable pleading is filed before a petition or comparable pleading is filed in another state or a foreign country if:
(1) The petition or comparable pleading in the other state or foreign country is filed before the expiration of the time allowed in Puerto Rico for filing a responsive pleading challenging the exercise of jurisdiction by Puerto Rico;
(2) the contesting party timely challenges the exercise of jurisdiction in Puerto Rico; and
(3) if relevant, the other state or foreign country is the home state of the child.
History —July 2, 2015, No. 103, § 204.