OSHA is one federal agency. It is not made up of other federal agencies. I does have sub-organizations within it, which are called Directorates, and Offices.
Administrative law or regulatory law. The various federal executive agencies promulgate the various regulations that make up the Code of Federal Regulations. State agencies make their own administrative codes as well.
There are way more than three agencies! Perhaps you're thinking of the three branches of federal govenment: Legislative, Executive and Judicial.
The bottom part, or foundation, is made up of many agencies that are the largest part of the federal government.
NCHS and CMS
They formulate regulations that make policies more specific and concrete.
They have timely or even surprise inspections though to make sure that all companies and organization are being compliant and are observing the safety in the workplace. Federal OSHA has no requirement for safety meetings, monthly or otherwise. Some State OSHA programs do require periodic safety meetings.
—Departments ¡Defense ¡State ¡Treasury —Independent Agencies ¡Central Intelligence Agency ¡National Security Agency —Independent Regulatory Commissions ¡Federal Trade Commission ¡Federal Election Commission —Government Corporations ¡US Postal Service ¡Amtrak
Federal governments make laws for the whole country. The state governments can make laws for their state ONLY; such as a driving age.
The federal government is three branches. The legislative branch is the Congress, the executive branch is the President and the agencies that support him. Finally, the judicial branch is the Supreme Court and other federal courts.
The Administrative Procedure Act was enabled on June 11, 1946. It governs how administrative agencies of the federal government make regulations.