TO:
Pursuant of the National Policy to create, develop, maintain and improve conditions under which man and nature can thrive in productive and enjoyable harmony with each other, and to insure the attainment of an environmental quality that is conducive to a life of dignity and well-being, I hereby issue the following instructions:

1. The National Environmental Protection Council Secretariat, is hereby ordered to establish an administrative system for the evaluation of the environmental impact of projects being under taken by government agencies, government-owned or controlled corporations, and the private sector.
2. The National Environmental Protection Council shall organize, and coordinate inter-agency task forces to study the major environmental threats in the Philippines, such as soil erosion and the proliferation of toxic substances in the Philippine environment.
3. The National Environmental Protection Council shall organize and coordinate inter-agency task forces to conduct researches of vulnerable ecosystems in the Philippines such as coastal zones, inland lakes, the Manila Bay, and similar areas.

This Letter of Instructions shall take effect immediately.

Done in the City of Manila, this 6th day of June, in the year of Our Lord, nineteen hundred and seventy-seven.