Original: The Port Authority of New York and New Jersey Police Department , or Port Authority Police Department ( PAPD ) , is a law enforcement agency in New York and New Jersey , the duties of which are to protect all facilities owned by the Port Authority of New York and New Jersey , and to enforce state and city laws at all the facilities .
Simplified: The Port Authority of New York and New Jersey Police Department , or Port Authority Police Department ( PAPD ) , is a police department in New York and New Jersey .