U.S. Constitution, Article II — The Executive Branch, Section 1, Clause 7
The President shall, at stated Times, receive for his Services, a Compensation, which shall neither be encreased nor diminished during the Period for which he shall have been elected, and he shall not receive within that Period any other Emolument from the United States, or any of them.
Notes
Requires the President to receive, at stated times, a compensation for services that may be neither increased nor diminished during the term for which the President was elected. Bars the President from receiving any other emolument from the United States or any state during that period.
Use as reference
Lexinter.net | U.S. Const. art. II, § 1, cl. 7 | https://laws.lexinter.net/constitution/us/article-2/section-1/clause-7