Presidential Decree
| Document No. | Title | Date Approved |
| PD 1586 | Establishing an Environmental Impact Statement System including other environmental management related measures and for other purposes | June 11, 1978 |
Executive Order
| Document No. | Title | Date Approved |
| EO 190 | Abolishing the golf course construction and development committee and transferring its powers and functions to the DENR | March 31, 2003 |
Administrative Order
| Document No. | Title | Date Approved |
| AO 300 | Further strengthening The Environmental Impact Statement System and clarifying the authority to grant or deny the issuance of Environmental Compliance Certificates | |
| AO 42 | Rationalizing the implementation of the Philippine Environmental Impact Statement (EIS) System and giving authority in addition to the Secretary of the Department of Environment and Natural Resources to the Director and Regional Directors of the Environmental Management Bureau to grant or deny the issuance of Environmental Compliance Certificates | November 2, 2002 |
Department Administrative Order
| Document No. | Title | Date Approved |
| DAO 2022-02 |
Guidelines for Public Participation Under the Philippine Environmental Impact Statement System (PEISS) for Proposed River Restoration Project through Dredging Activities Pursuant to Section 5.4 of DENR-DPWH-DILG-DOTR Joint Memorandum Circular 2019-01 |
February 2, 2022 |
| DAO 2005-06 | Guidelines for the Institution of a System of Mandatory Environmental Insurance Coverage | April 6, 2005 |
| DAO 2005-02 | Exempting projects located within PEZA Areas from securing ECC from the Laguna Lake Development Authority and Amending Administrative Order 61 Series of 2004 | February 8, 2005 |
| DAO 2004-61 | Delegation of Authority to the General Manager of the Laguna Lake Development Authority to grant or deny the issuance of Environmental | October 7, 2004 |
| DAO 2003-30 |
Implementing Rules and Regulations (IRR) for the Philippine Environmental Impact Statement (EIS) System | |
| DAO 2001-09 | General Guidelines for the Establishment and Management of the EIA Review Support Fund | |
| DAO 2000-37 | Addendum to Article VIII Section 1.0 of DAO 96-37 re: Standard costs and fees for Various Services of the Environmental Management Bureau | April 10, 2000 |
| DAO 2000-05 | Revising DENR Administrative Order (DAO) No. 94- 11, Supplementing DENR Administrative Order No. 96-37, Series of 1996, And Providing For Programmatic Compliance Procedures Within The Environmental Impact Statement (EIS) System | January 14, 2000 |
| DAO 1999-37 | Implementing Rules and Regulations for the Operationalization of the Environmental Revolving Fund Under P.D 1586 | August 23, 1999 |
| DAO 1996-37 | Revising DENR Administrative Order No. 21, Series OF 1992, To further strengthen the Implementation Of The Environmental Impact Statement | |
| DAO 1992-21 | Amending the revised rules and regulations implementing P.D 1586 (Environmental Impact Statement System) |
DENR Memorandum Circular
| Document No. | Title | Date Approved |
| DMC 2007-23 | Issuance of status quo order re imposition of fines for fastfood stores, restaurants and similar quick- service establishment | July 23, 2007 |
| DMC 2007-08 | Simplifying the Requirements for Environmental Compliance Certificate or Certificate of Non-Coverage Applications | July 13, 2007 |
| DMC 2006-01 | Suspension of the Implementation of the System of Mandatory Environmental Insurance Coverage (MEIC) Requirements of DAO 2005-06 | February 21, 2006 |
| DMC 2005-021 | Supplemental Guidelines to DENR Administrative Order No. 2005-06 on Mandatory Environmental Insurance Coverage | December 29, 2005 |
| DMC 2002-15 | Scope of Validations and Guidelines for the Imposition of penalties for Violations under the Philippine EIS System (P.D 1586) | November 25, 2002 |
EMB Memorandum Circular
| Document No. | Title | Date Approved |
| EMB MC 2022-002 |
Streamlining for Securing ECC for Projects Requiring an IEE Checklist with Auto-Approval and/or Denial within the Twenty (20) Days Processing through the EMB Online System |
May 25, 2022 |
| EMB MC 2022-005 |
Adoption of the use of HazardHunterPH in Generating Initial Hazard Assessment Reports as part of Enhancing the Integration of Disaster Risk Reduction and Climate Change Adaptation into the Philippine Environmental Impact Statement System | June 24, 2022 |
| EMB MC 2022-06 | Amended Project Threshold for Resorts and Other Tourism/Leisure Projects securing an Environmental Compliance Certificate (ECC) | June 28, 2022 |
| EMB MC 2021-05 | Documentary Requirements for Minor Amendment (Non-Technical) of Environmental Compliance Certificate (ECC) under the Philippine Environment Impact Statement System | April 14, 2021 |
| EMB MC 2021-12 | Amendment of EMB Memorandum Circular 2014-05 (Annex A) relative to the reclassification of Steel and Steel-related Projects as Metal Industries | July 12, 2021 |
| EMB MC 2019-005 |
Procedures on Electronic Payment Facility for Environmental Compliance Certificate (ECC) and Certificate of Non-Coverage (CNC) Online Applications |
May 20, 2019 |
| EMB MC 2019-003 | Updated Guidelines in the processing and issuance of ECC for Category B Projects | March 26, 2019 |
| EMB MC 2010-004 | Guidelines for use of screening and Environmentally Critical Area (ECA) map system | September 27, 2010 |
| EMB MC 2010-002 | Clarification to DENR Memorandum Circular No. 2010-14 and other EIS System Policy Issuance | September 1, 2010 |
| EMB MC 2007-001 | Environmental Impact Assessment (EIA) Review Manual | March 9, 2007 |
| EMB MC 2006-003 | IEE checklist for wind energy projects | September 19, 2006 |
| EMB MEMO 1.10.2006 | PEZA seeking clarification on EIA Policy | January 10, 2006 |
| EMB MEMO 9.08.2005 | Clarification on the provisions of Section 11 of the procedural manual for DAO 2003-30 “Fines, Penalties and Sanctions” | September 8, 2005 |
| EMB MC 2005-01 | Procedural Manual for DENR Administrative Order No. 30 Series of 2003 (DAO 03-30) | January 5, 2005 |
| EMB MC 2004-04 | IEE checklist for Economic Zone Enterprise | October 5, 2004 |
| EMB MC 2004-001 | Non-requirement of barangay and/ or local government unit endorsement and locational clearances for CNC application | April 23, 2004 |
| EMB MC 2004-002 | Certificate of Non-Coverage (CNC) Barangay Micro Business Enterprises (BMBEs) | |
| EMB MC 2003-21 | Guidelines on the Availment of the Reduction of Penalties for Projects Found Operating Without Environmental Compliance Certificate in Violation of the Philippine EIS System (P.D. 1586) | |
| EMB MC 2003-009 | Amendment to the Scope and Coverage of Housing, and Land Development Project checklist per Memorandum Circular # 3 Series of 2001 dated 14 September 2001 | |
| EMB MC 2003-004 | Amendment to the limits on the number of heads of piggery projects that would require an ECC | June 6, 2003 |
| EMB MC 2002-04 | Telecommunication antennas, mobile phone cell sites and similar facilities projects that are not covered by the Philippine EIS System |
March 20, 2002 |
| EMB MC 2002-03 | Additional IEE Checklist for Selected Projects | March 20, 2002 |
| EMB MC 2001-02 | Processing of all applications for Environmental Compliance Certificate (ECC) for the use of non-burn technologies in the destruction, Decomposition or Conversion of Wastes, and for Hazardous Wastes Treatment, Storage and Disposal Facilities. | |
| EMB MC 2001-01 | Guidance on the Implementation of DAO 2000-05 Re: Scope of the EIS Programmatic Compliance Policy | April 5, 2001 |
| EMB MC 2000-01 | IEE Checklist for Selected Projects | May 23, 2000 |
| EMB MC 2000-02 | Penalty for telecommunication projects found operating without ECC | January 15, 2000 |
| EMB MC 2002-02 | Guidelines for the Implementation Of Administrative Order No. 99-37 Re: Environmental Revolving Fund (ERF) |