Bonds issued by the government of Puerto Rico and its subdivisions are exempt from federal, state, and local taxes (so called "triple tax exemption"). However, unlike other triple tax exempt bonds, Puerto Rican bonds uphold such exemption regardless of where the bond holder resides. This has made Puerto Rican bonds extremely attractive to
municipal investors as they may inure from holding a bond issued by a state or municipality different from the one where they reside. This advantage strives from the restriction typically imposed by municipal bonds enjoying triple tax exemption where such exemptions solely apply for bond holders that reside in the state or municipal subdivision that issues them.