14 Ways that Donald Trump Could Be Impeached

2. The 25th Amendment

15 More Executive Orders Trump Plans to Sign 1

Article 4 of the 25th Amendment to the Constitution reads: Whenever the Vice President and a majority of either the principal officers of the executive departments or of such other body as Congress may by law provide, transmit to the President pro tempore of the Senate and the Speaker of the House of Representatives their written declaration that the President is unable to discharge the powers and duties of his office, the Vice President shall immediately assume the powers and duties of the office as Acting President.

In plain English, the executive branch could argue that Trump is not fit to serve as president because of his mental health, hasty and impulsive actions on Twitter, and actions he has taken in his first year of being president.