Section 7. Penalties for Violations. —

Any person who violates Section 4 of this Decree or any regulations prescribed in pursuance thereof, shall be liable for a fine of not less than Two Hundred Pesos nor more than Ten Thousand Pesos or by imprisonment of not less than thirty days nor more than one year or both such fine and imprisonment, for each offense, without prejudice to the civil liability of the offender in accordance with existing laws.

Any vessel from which oil or other harmful substances are discharged in violation of Section 4 or any regulation prescribed in pursuance thereof, shall be liable for the penalty of fine specified in this section, and clearance of such vessel from the port of the Philippines may be withheld until the fine is paid.

In addition to the penalties above-prescribed, the Philippine Coast Guard shall provide in its rules and regulations such reasonable administrative penalties as may be necessary for the effective implementation of this decree.