Most provisions of the US Occupational Safety and Health Act are administered by the Occupational Safety and Health Administration (OSHA). Some provisions are administered by the National Institute for Occupational Safety and Health (NIOSH), and a few are administered by the Occupational Safety and Health Review Commission

In the US, the Occupational Safety and Health Act (OSHA or OSHAct) is enforced by the Occupational Safety and Health Administration, a part of the US Department of Labor.

The Occupational Safety and Health Act of 1970 created three agencies, the Occupational Safety and Health Administration, the National Institute for Occupational Safety and Health, and the Occupational Safety and Health Review Commission.

Richard M. Nixon was the US President who signed the Occupational Safety and Health Act. He did that in 1970.