- Administrative Order No. 1, Series of 2022
Rules of Procedure in the Investigation of Anonymous and Other Complaints Referred by Investigative Bodies of the Government
- Administrative Order No. 2, Series of 2020
Code of Conduct on Prohibiting Sexual Harassment in the Office of the Ombudsman
- Administrative Order No. 1, Series of 2020
Prescribing the Periods in the Conduct of Investigations by the 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
