Section 5. It shall be the primary responsibility of the National Pollution Control Commission to promulgate national rules and policies governing marine pollution, including but not limited to the discharge of effluents from any outfall structure, industrial and manufacturing establishments or mill of any kind to the extent that it is regulated under the provisions of Republic Act Numbered Three Thousand Nine Hundred Thirty-One, and to issue the appropriate rules and regulations upon consultation with the Philippine Coast Guard.

The Philippine Coast Guard shall promulgate its own rules and regulations in accordance with the national rules and policies set by the National Pollution Control Commission upon consultation with the latter, for the effective implementation and enforcement of this decree and other applicable laws, rules and regulations promulgated by the government.

The rules and regulations issued by the National Pollution Control Commission or the Philippine Coast Guard shall not include deposit of oyster, shells, or other materials when such deposit is made for the purpose of developing, maintaining or harvesting fisheries resources and is otherwise regulated by law or occurs pursuant to an authorized government program: Provided, That the Philippine Coast Guard, whenever in its judgment navigation will not be injured thereby and upon consultation with and concurrence of the National Pollution Control Commission, may permit the deposit of any of the materials above-mentioned in navigable waters, and whenever any permit is so granted, the conditions thereof shall be strictly complied with.