To obtain Puerto Rican residency, an individual must meet several criteria, including being present in Puerto Rico for a minimum of 183 days in the tax year1. Additionally, the applicant must pass the tax home test, by having their primary place of business or employment in Puerto Rico, as well as the closer connection test mentioned earlier.
Footnotes
https://www.7thheavenproperties.com/2020/07/puerto-rico-residency