See - Office of the Ombudsman
- Administrative Order No. 24, Series of 2016
 Suspension of the Effectivity of Administrative Order No. 22, s. 2011 (Guidelines on the Designation, Functions, Organization and Operation of Resident Ombudsman Coordinators)
- Administrative Order No. 23, Series of 2016
 Revised Rules of the Internal Affairs Board, As Further Amended
- Administrative Order No. 22, Series of 2011
 Guidelines on the Designation, Functions, Organization and Operation of Resident Ombudsman Coordinators
- Administrative Order No. 21, Series of 2009
 Revised Rules of the Internal Affairs Board
- Administrative Order No. 20, Series of 2008
 Ombudsman Rules of Procedure for Mediation
- Administrative Order No. 17, Series of 2003
 Amendment of Rule III, Administrative Order No. 07
- Administrative Order No. 16, Series of 2003 
 Creation of an Internal Affairs Board
- Administrative Order No. 10 (As Amended), Series of 2001 
 Guidelines on the Installationn of Resident Ombudsman (Non-Organic)
- Administrative Order No. 14, Series of 2000
 Amending Section 7, Rule III of Administrative Order No. 07
- Administrative Order No. 13, Series of 1996
 Guideline in the Handling and Prosecution of Ombudsman Cases Filed or Pending Before Regular Courts Pursuant to the Provisions of RA 7975
- Administrative Order No. 11, Series of 1994 
 Supreme Court Administrative Circular No. 18-94
 Delegation of Authority to Approve Information in Inquest Cases Cognizable by the Sandiganbayan
- Administrative Order No. 08, Series of 1990 
 Clarifying and Modifying Certain Rules of Procedure
- Administrative Order No. 07, Series of 1990 
 Rules of Procedure of the Office of the Ombudsman
- Memorandum Circular No. 04, Series of 2014
 Repeal of Memorandum Circular No. 01, Series of 2011
- Memorandum Circular 01, Series of 2013
 Guidelines on Handling Requests for Assistance (RAS) and Other Forms of Public Assistance
- Memorandum Circular 05, Series of 2012
 Guidelines on the Issuance of Ombudsman Clearance
- Memorandum Circular 04, Series of 2012
 Guidelines on Campus Integrity Crusaders (CIC) Accreditation
- Memorandum Circular 03, Series of 2012
 Guidelines on Public Access to Statements of Assets, Liabilities and Net Worth (SALN's) Filed with The Office of the Ombudsman
- Memorandum Circular 02, Series of 2012
 Guidelines on Corruption Prevention Unit (CPU) Accreditation
- CSC Memorandum Circular No. 05, Series of 2012
 Deferment of the Use of the Revised Statement of Assets, Liabilities and Net Worth (SALN) Form
- Memorandum Circular No. 01, Series of 2012
 Guidelines on Requests for Case Status for Walk-In Clients
- Memorandum Circular No. 1 Series of 2011
 Submission to OMB of the List of Annual Procurement Schedules
- Office Circular No. 34, Series of 2010
 A Policy Prohibiting Smoking Within the Premises of the Office of the Ombudsman and the Implementation of a Smoking Cessation Program for Affected Employees
- CSC Memorandum Circular No. 5, Series of 2010
 Use of the 1994 Statement of Assets, Liabilities, and Networth (SALN) Form for year 2009
- Memorandum Circular No. 01, Series of 2009
 Revised Guidelines Governing Access to SALNs Filed with the Office of the Ombudsman
- Memorandum Circular No. 01, Series of 2006
 Immediate Implementation of Decisions, Orders or Resolutions Issued by the Office of the Ombudsman in Administrative Disciplinary Cases
- Memorandum Circular No. 14, Series of 1995
 Cases/Complaints Against Personnel of the Philippine National Police (PNP); Bureau of Fire Protection (BFP); Bureau of Jail Management and Penology (BJMP)
- Memorandum Circular No. 95-13
 Guidelines/Procedures on the Filing of Statements of Assets, Liabilities and Networth and Disclosures of Business Interests and Financial Connections with the Office of the Ombudsman Required under Section 8, Republic Act No. 6713
- Memorandum Circular No. 10, Series of 1995
 Revised Circular on Ombudsman Clearance
- Memorandum Circular No. 9, Series of 1994
 Payment of Accrued Leave Credits / Terminal Leave Pay