* 31 L.P.R.A. Â§ 331. 1  You have lived in Puerto Rico for at least one year before filing the divorce petition; or. 2  The cause (ground) for divorce occurred in Puerto Rico or when one of the spouses was living in Puerto Rico.*.n this case, the spouses do not have to explain to the court the reasons for their separation, but they do have to show the judge, along with the divorce petition, that they have agreed on the following points: * See 31 L.P.R.A. Â§ 321. ** See the government website, La Rama Judicial de Puerto Rico.