DENR Administrative Order No. 2003- 30 regarding Implementing Rules and Regulations (IRR) for the Philippine Environmental Impact Statement (EIS) System.

The objective of this Administrative Order is to rationalize and streamline the EIS System to make it more effective as a project planning and management tool by: a. Making the System more responsive to the demands and needs of the project proponents and the various stakeholders; b. Clarifying the, coverage of the System and updating it to take into consideration industrial and technological innovations and trends c. Standardizing requirements to ensure focus on critical environment parameters; d. Simplifying procedures for processing ECC applications, and establishing measures to ensure adherence to ECC conditions by project proponents, and e. Assuring that critical environmental concerns are addressed during project development and implementation.
Section 5 provides for the requirements for Securing Environmental Compliance Certificate (ECC) and Certificate of Non-Coverage (CNC). In general, only projects that pose potential significant impact to the environment shall be required to secure ECC's. Section 9 provides for the monitoring of projects with ECCs.