Due Process of Law
Since service of process constitutes a fundamental element of the constitutional right to due process of law, its requirements, established in Rule 4 of Civil Procedure, must be strictly adhered to in accordance with State Laws process and service of process.
14th Amendment U.S. Constitution Due Process Clause
No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any state deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.
Article II, Sec. 7 of the Constitution of Puerto Rico, guarantees that no person shall be deprived of his freedom or property without due process of law. The right to life, freedom, and enjoyment of property is recognized as the fundamental right of the human being. There will be no death penalty. No person shall be deprived of his freedom or property without due process of law, nor shall any person in Puerto Rico be denied equal protection of the laws