U.S. Constitution, Article II — The Executive Branch, Section 1, Clause 5
No Person except a natural born Citizen, or a Citizen of the United States, at the time of the Adoption of this Constitution, shall be eligible to the Office of President; neither shall any Person be eligible to that Office who shall not have attained to the Age of thirty five Years, and been fourteen Years a Resident within the United States.
Notes
Bars anyone from being eligible to the office of President except a natural born citizen, or a citizen of the United States when the Constitution was adopted. Requires the person also to have reached thirty-five years of age and to have been fourteen years a resident within the United States.
Use as reference
Lexinter.net | U.S. Const. art. II, § 1, cl. 5 | https://laws.lexinter.net/constitution/us/article-2/section-1/clause-5