
Plan sponsors and administrators are encouraged to reference these comprehensive calendars to stay on track in 2025.
Health and Welfare Plans
- Upcoming Key Compliance Deadlines and Reminders for Second Quarter 2025 [Lockton]
- 2025 Health Plan Compliance Deadlines [Leavitt Group]
- 2025 Health Plan Compliance Deadlines—Small Group (Less Than 50) [Silberman Group]
- 2025 Health Plan Compliance Deadlines—Large Group (50 Or More) [Silberman Group]
Retirement Plans
Defined Contribution Plans
- 2025 Defined Contribution Plan Compliance Calendar [Mercer]
- 2025 Key Administrative Dates and Deadlines for Calendar-Year Defined Contribution Plans [Milliman]
Defined Benefit Plans
- 2025 Defined Benefit Plan Compliance Calendar [Mercer]
- 2025 Key Administrative Dates and Deadlines for Calendar-Year Multiemployer Defined Benefit Plans [Milliman]
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