Presidential Decree No. 656, s. 1975
Full Title
DECLARING UNLAWFUL THE USE OF HIGH-POWERED INBOARD/OUTBOARD ENGINES IN WATERCRAFT OF LESS THAN ONE HUNDRED (100) GROSS TONS THAT ARE CAPABLE OF PROVIDING PROPELLING POWER/SPEED IN EXCESS OF FIFTEEN (15) KNOTS AND PROVIDING CERTAIN EXCEPTIONS AND PENALTIES THEREFOR.
President