On December 20, 2023, the U.S. Treasury Department and Internal Revenue Service (IRS) issued two pieces of guidance clarifying various provisions of the SECURE 2.0 Act of 2022. Notice 2024-2, establishes a cursory framework for employers to implement certain, but not all, provisions. Notice 2024-3, the 2023 Cumulative List for changes to pre-approved DC plans, lists the changes required for a plan to remain a safe harbor, pre-approved plan.