The Hoover Commission, officially named the Commission on Organization of the Executive Branch of the Government, was a body appointed by President Harry S. Truman in 1947 to recommend administrative changes in the Federal Government of the United States. It took its nickname from former President Herbert Hoover, who was appointed by Truman to chair it.
Truman used the Reorganization Act of 1949 to implement the recommendations of the Hoover Commission. Reorganization plans issued under the act could be nullified by a concurrent resolution enacted by both chambers of Congress within 60 days of the date of the order. While most of the commission's program was ultimately implemented, eleven of the 41 reorganization plans issued by Truman to carry out the reorganization were nullified by Congress.