2023 US retirement plan compliance calendars 

For calendar-year defined benefit (DB) and defined contribution (DC) plans, these retirement plan compliance calendars list key IRS, Pension Benefit Guaranty Corp., and Labor Department reporting and disclosure deadlines.

 Two calendars are available: 

• A DB plan calendar provides key 2023 dates for plan years starting Jan. 1.
  
• A separate DC plan calendar supplies 2023 deadlines for plan years starting Jan. 1.