The Insurrection Act can only be formally invoked by the President of the United States, not by governors, courts, Congress, or the military on their own. State officials may request help, but the legal authority to ā€œcall forthā€ federal troops under the Act rests exclusively with the president.

Core legal authority

  • The Insurrection Act is a federal law (10 U.S.C. Ā§Ā§ 251ā€“255) that empowers the president to deploy the U.S. armed forces domestically in specific emergency situations.
  • While governors can request federal assistance, they do not ā€œinvokeā€ the Insurrection Act themselves; they trigger one of the conditions under which the president may do so.

When the president can invoke it

  • One scenario is when a stateā€™s legislature or governor asks for federal troops to help quell an insurrection the state cannot control.
  • Other scenarios allow the president to act without state consent if enforcing federal law has become impracticable, or if residentsā€™ constitutional rights are being denied and the state is unable or unwilling to protect them.

Practical steps and limits

  • Before using troops under the Insurrection Act, the president must issue a public proclamation ordering those involved in the unrest to disperse within a limited time.
  • Although the statute gives broad power, it is still constrained by the Constitution and can be challenged or limited through the courts and by Congress changing the underlying law.

TL;DR: Only the president can invoke the Insurrection Act; others (like governors) can request help, but they do not have the legal power to invoke it themselves.

Information gathered from public forums or data available on the internet and portrayed here.