Notice 2023-62, page 817.

This notice provides guidance with respect to section 603 of the SECURE 2.0 Act of 2022 and announces a 2-year administrative transition period with respect to the requirement under section 603 that catch-up contributions made on behalf of certain eligible participants be designated as Roth contributions. The notice also describes certain further guidance that the Treasury Department and the IRS anticipate issuing with respect to section 603 and requests comments.