U.S. Constitution, Eighteenth Amendment, Section 3
This article shall be inoperative unless it shall have been ratified as an amendment to the Constitution by the legislatures of the several States, as provided in the Constitution, within seven years from the date of the submission hereof to the States by the Congress.
Notes
Limits the Eighteenth Amendment's effect by making it inoperative unless ratified as an amendment to the Constitution by the legislatures of the several states within seven years from the date of its submission to the states by Congress. Ratification had to come from state legislatures within that deadline.
Use as reference
Lexinter.net | U.S. Const. amend. XVIII, § 3 | https://laws.lexinter.net/constitution/us/amendment-18/section-3