U.S. Constitution, Twenty-Second Amendment, Section 1
No person shall be elected to the office of the President more than twice, and no person who has held the office of President, or acted as President, for more than two years of a term to which some other person was elected President shall be elected to the office of the President more than once. But this Article shall not apply to any person holding the office of President when this Article was proposed by the Congress, and shall not prevent any person who may be holding the office of President, or acting as President, during the term within which this Article becomes operative from holding the office of President or acting as President during the remainder of such term.
Notes
Bars anyone from being elected President more than twice, and bars anyone who held the office or acted as President for more than two years of another person's term from being elected more than once. Exempts whoever held or was acting in the office when the article was proposed or became operative.
Use as reference
Lexinter.net | U.S. Const. amend. XXII, § 1 | https://laws.lexinter.net/constitution/us/amendment-22/section-1