H.J.Res. 4: Proposing an amendment to the Constitution of the United States to provide that debate upon legislation pending before the Senate may not be brought to a close without the concurrence of a minimum of three-fifths of the Senators.

This joint resolution proposes amending the Constitution to limit how the Senate may end debate on a measure or motion. Specifically, the proposed amendment provides that debate may only be brought to a close as provided under laws as in effect on January 3, 2025; by unanimous consent; or with the concurrence of at least three-fifths of all Senators.

The joint resolution provides that the amendment shall be valid when ratified by the legislatures of three-fourths of the states.

Under Article V of the Constitution, both chambers of Congress may propose an amendment by a vote of two-thirds of all Members present for such vote. A proposed amendment must be ratified by the states as prescribed in Article V and as specified by Congress.

Written by the Congressional Research Service, Library of Congress.