Important 2024 401(k) Dates
| Date | Description |
|---|---|
| March 15 | Deadline for employer contributions for S-Corps and Partnerships (if not extending tax filing) |
| April 1 | Deadline for Required Minimum Distributions (RMDs) for delayed 2023 RMDs |
| April 15 | Deadline for employer contributions for C-Corps and Sole Proprietorships (if not extending tax filing) |
| July 31 | Deadline to file Form 5500 and Form 8955-SSA (without extension) |
| Sept. 30 | Summary Annual Reports due (if 5500 filing not extended) |
| Oct. 15 | Deadline to file Form 5500 and Form 8955-SSA (with extension) |
| Dec. 1 (Nov. 29 if Sunday) | Deadline for Safe Harbor Notices and auto-enroll notices |
| Dec. 31 | Deadline for withdrawal of 2024 RMDs |

