Anti-Piracy and Anti-Highway Robbery Law, Presidential Decree No. 532, Series of 1974 (Philippines)

Piracy is committed by any attack upon or seizure of any vessel, or the taking away of the whole or part thereof or its cargo, equipment or the personal belongings of its complement or passengers, irrespective of the value thereof, by means of violence against or intimidation of persons or force upon things, committed by any person, including a passenger or member of the complement of said vessel, in Philippine waters. 

Highway robbery or brigandage is committed by the seizure of any person for ransom, extortion or other unlawful purposes, or the taking away of the property of another by means of violence against or intimidation of person or force upon things or other unlawful means, committed by any person on any Philippine highway.