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Plan Sponsors: Don’t Miss Upcoming Deadlines

02/15/2023 Written by: Information from IRS.GOV

As you know, the “Plan Sponsor is responsible for ensuring that its plan operates in compliance with the rules related to qualified plans.” 1  That, in turn, means, you are held accounting to the IRS’ filing requirements.


Please use the following checklist as a tool to assist you in meeting these requirements. This checklist is not intended to be all-inclusive and does not apply to government plans or non-electing church plans.  Please visit for a full list and explanation of your filing requirement.




Due to IRS

Form 5500 or 5500-EZ

A plan sponsor/administrator of an employee benefit plan subject to ERISA must file information about each plan every year.


A Form 5500-EZ may be filed for a plan that provides benefits solely for an individual (and spouse) who wholly owns a business/partnership.

By the last day of the 7th month after the end of the plan year

For W-2 and Form W-3

Reports wages and the amount of elective deferrals for a 401(k) plan.

February 28 the following calendar year

Required to be filed when applicable:

Form 990-T

Used to report gross unrelated business income of $1,000 or more.


Deposits of the tax must be made at specified times during the tax year.

By the 15th day of the 4th month after the end of the tax year

Form 1099-R

Used to report distributions, including direct rollovers, from qualified plans.

By February 28 of the year following the calendar year of the distribution

Form 5310-A

Used to inform the IRS of plan merger or consolidation, spinoff or transfer of plan assets or liabilities.

At least 30 days prior to plan merger, consolidation, spinoff, or transfer of plan assets to another employer.

Form 5558

Provides a 2 ½ month extension to file the Form 5500 or 5500-EZ; a 6-month extension to file Form 5330.

By the last day of the 7th month after the end of the plan year for a 5500 extension; before otherwise due for a 5330 extension.


*Information pulled from  Please visit IRS 401(k) Resource Guide for full schedule and detail





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