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Standards & Guidance

In order to conduct high quality work programs with competence, integrity, objectivity, and independence, the Office of the Inspector General observes professional standards and guidance developed by the following organizations:

Professional Standards

Government Auditing Standards

(The Yellow Book ~ December 2011 Revision)

Sponsoring Organization :

U. S. Government Accountability Office (GAO) .  Congressional investigative agency that examines the use of public funds, evaluates federal programs and activities, and provides analyses, options, recommendations, and other assistance to help Congress make effective oversight, policy, and funding decisions.


Principles and Standards for Offices of Inspector General

(The Green Book ~ May 2014 Revision)

Sponsoring Organization :

Association of Inspectors General (AIG). The AIG promotes excellence among Inspectors General, professional staff in their agencies, and other officials responsible for inspection and oversight with respect to public, not-for-profit, and independent sector organizations by establishing and encouraging adherence to quality standards.

Peer Review

AIG Peer Review Opinion Letter

(October 16, 2015)

Standards observed by the Office of the Inspector General (OIG) require an external Peer Review at least once every three years. A Peer Review is designed to assess the OIG's compliance with applicable standards.

In October 2015, the Office of the Inspector General participated in a Peer Review conducted by the Association of Inspectors General (AIG) .

Internal Standards & Guidance for Inspector General Staff

Procedures Manual

(December 2018)

This manual provides guidance on procedural matters relevant to the Office of the Inspector General as a whole.


Office Policy Manual

(December 2018)

The OIG’s Office Policy Manual identifies policies and practices that are unique to the Montgomery County Maryland Office of the Inspector General


Montgomery County Personnel Regulations


Personnel in the Office of the Inspector General (OIG) adhere to the policies and regulations embodied in the County’s Personnel Regulations .

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