Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Signing of the Constitution
Howard Chandler Christy’s painting of the signing of the United States...

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Guided Tours: Buildings on Capitol Hill
Official Tours of the U.S. Capitol Building are offered Monday through...

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The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Capitol Carillonneur
Capitol Hill, with its rich history and iconic buildings, allows for an...

Office of Inspector General (OIG)

Office of Inspector General (OIG)

The Architect of the Capitol’s Office of Inspector General promotes efficiency and effectiveness to deter and prevent fraud, waste and mismanagement in AOC operations and programs. 

The Architect of the Capitol Inspector General Act of 2007, codified at 2 U.S.C. § 1808, established the Office of Inspector General (OIG). This legislation applies some sections of the Inspector General Act of 1978 as amended, specifically Sections 4, 5 (other than Subsections (a)(13) and (3) and (e)(1)(B) thereof), 6 (other than Subsection (a)(7) and (8) thereof), and 7. The Inspector General is under the general supervision of the Architect of the Capitol. The mission of this independent office is to:

  1. Conduct, supervise and coordinate audits and investigations relating to AOC programs and operations.
  2. Review existing and proposed legislation and regulations that impact AOC programs and operations and comment in the semiannual report regarding the impact on the economy, efficiency, or the prevention and detection of fraud and abuse of such legislation and regulations.
  3. Recommend policies for AOC activities to promote economy and efficiency or prevent and detect fraud and abuse in its programs and operations.
  4. Provide a means of keeping the Architect of the Capitol and the Congress fully and currently informed about problems and deficiencies relating to the administration of Agency programs and operations and the need for and progress of corrective action. This is generally done by issuing the Semiannual Report to Congress.

OIG Vision Statement

The OIG is a high performing team who are agents of positive change, striving for continuous improvement in AOC management and operations. We foster an environment in which the AOC workforce has trust and confidence in our work.

OIG Mission Statement

The OIG promotes efficiency and effectiveness to deter and prevent fraud, waste and mismanagement in AOC operations and programs. We do this through value-added, transparent and independent audits, evaluations and investigations. We strive to positively impact the Agency and the tax payer while keeping Congress informed.