Plan Limits & Deadlines

A quick look at the current allowable plan limits and important dates to keep in mind when it comes to managing a retirement plan.

Annual Plan Limits

ERISA requires all qualified retirement plans to limit the amount of annual contributions or benefits. See the chart and details below to learn more about how much can be funded to different types of qualified retirement plans.

Cost of Living Dollar Limits 2023 2024
401(k) Deferrals $22,500 $23,000
401(k) Catch-up Contributions $7,500 $7,500
Defined Contribution Limit $66,000 $69,000
Defined Benefit Limit $265,000 $275,000
Compensation Limit $330,000 $345,000
Highly Compensated Employees  $150,000 $155,000
403(b) / 457 Deferrals $22,500 $23,000
SIMPLE Deferrals $15,500 $16,000
SIMPLE Catch-up Contributions $3,500 $3,500
Social Security Wage Base  $160,200 $168,600

Compliance Calendar

401(k) Plans and other tax-qualified retirement plans must comply with a number of tax filing and other important deadlines throughout the year. The list below is a summary of the common compliance deadlines for most calendar-year qualified plans.


Plan Event Deadline
Form 5500 and Schedules Due to DOL (if necessary) 7 months after plan year end unless an extension is filed
Form 5558 Extension Due to DOL (if necessary) 7 months after plan year end
Form 5500 and Schedules Due to DOL on Extension 9.5 months after plan year end
Form 1099-R Mailed to Participants January 31
Form 945 Due to IRS February 10
Form 1096 Due to IRS February 28
Return of Excess Deferrals in case of a Failed ADP Test Without Penalty 20 months after plan year end
Employer Contributions Due to Plan Same date as corporate tax return including extensions
Safe Harbor Notices to Employees At least 20 days prior to start of plan year
Safe Harbor Notices to Employees (New Plans or Existing Profit Sharing Plans only) Any time on or before the plan effective date
Required Minimum Distributions December 31 (exceptions may apply)

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