401(k) Audit Check List

Green Checkmark

Every year it is important that you review the requirements for operating your 401(k) retirement plan. This checklist should be used to help you keep your plan in compliance with many of the important rules; however, it is not a complete description of all plan requirements, and should not be used as a substitute for a complete plan review. Here are a few questions to help you ascertain whether or not your 401(k) plan is in compliance: 

1) Has your plan document been updated within the past few years? Yes or No

 If your plan has not been updated to reflect recent law changes, it needs to be revised. 

2) Are the plan’s operations based on the terms of the plan document? Yes or No

Failure to follow the terms of the plan is a common problem encountered during an audit. 

3) Were employer matching contributions made to all appropriate employees under the terms of the plan? Yes or No

The terms of the plan must be followed when allocating employer matching contributions. 

4) Has the plan satisfied the 401(k) nondiscrimination tests (ADP and ACP)? Yes or No

Every 401(k) plan must satisfy yearly ADP/ACP nondiscrimination tests except for certain auto enrollment and 401(k) safe harbor plans. 

5) Were all eligible employees identified and given the opportunity to make an elective deferral election? Yes or No

By supplying your tax advisor with information regarding all employees who receive a Form W-2, you may reduce the risk of omitting eligible employees. 

6) Have you timely deposited employee elective deferrals? Yes or No

You should deposit deferrals as soon as they can be segregated from the employer’s assets.

7) Do participant loans conform to the requirements of the plan document and IRC §72(p)?

Defaulted loans or loans in violation of IRC §72(p) may be treated as a taxable distribution to the participant. 

If you answered “no” to any of the above questions, you may have made a mistake in the operation of your 401(k) plan. This checklist is only a guide to a more compliant plan, so answering “yes” to each question may not mean your plan is 100% compliant. Many mistakes can be corrected easily, without penalty and without notifying the IRS. 


If you would like to discuss any of these issues further, please contact us at info@commonfinancialsense.com