Missouri Revised Statutes Title XVIII. Labor and Industrial Relations § 290.633. Collective bargaining agreements, applicability to paid sick leave

1. With respect to employees covered by a valid collective bargaining agreement in effect on November 5, 2024, no provisions of sections 290.600 through 290.642 shall apply until the stated expiration date in the collective bargaining agreement; however, further the provisions of sections 290.600 through 290.642 shall apply upon any such agreement's renewal, extension, amendment, or modification in any respect after November 5, 2024.

2. Nothing in sections 290.600 through 290.642 shall be deemed to interfere, impede, or otherwise diminish the right of employees to bargain collectively through representatives of their own choosing in order to establish earned paid sick time or other conditions of work in excess of the applicable minimum standards under the provisions of sections 290.600 through 290.642.

3. Any waiver by an employee of rights under sections 290.600 through 290.642 shall be deemed contrary to public policy and shall be void.