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Two 401k Plans

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Last updated: 25 Nov, 2018
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By Jason Watson ()
Posted November 23, 2018

Another twist. Let’s say you have a side business and a regular W-2 job where you max out your deferrals into the 401k plan. You cannot make employee deferrals to your side business solo 401k plan since you are collectively limited to $19,000 (2019) or $24,500 with catchup, but your business can make a profit sharing contribution up to $56,000 (2019). Here is the word for word example from the IRS using 2016 limits of $18,000 as an example (occasionally they illustrate things fairly well)-

Greg, 46, is employed by an employer with a 401(k) plan and he also works as an independent contractor for an unrelated business. Greg sets up a solo 401(k) plan for his independent contracting business. Greg contributes the maximum amount to his employer’s 401(k) plan for 2016, $18,000. Greg would also like to contribute the maximum amount to his solo 401(k) plan. He is not able to make further elective deferrals to his solo 401(k) plan because he has already contributed his personal maximum, $18,000.

He has enough earned income from his business to contribute the overall maximum for the year, $53,000. Greg can make a non-elective contribution of $53,000 to his solo 401(k) plan. This limit is not reduced by the elective deferrals under his employer’s plan because the limit on annual additions applies to each plan separately.

Good ol’ Greg. From the employer or business perspective, a non-elective contribution is in contrast to a matching contribution. This means that a contribution can be without the employee making a deferral. This is key since in the tidy IRS example above, Greg has max’d out his deferrals at his regular job, so he cannot make additional deferrals with his side business. However, the business can make a non-elective contribution.

A non-elective contribution means that the business’s contribution is not dependent on the employee’s deferral. Seems counter-intuitive. In other words, you do not put anything into the 401k plan but your business can contribute up to 20% of your income from the business as a garden variety LLC (or 25% of your W-2 from your business if electing S Corporation status). These are also referred to as discretionary or profit sharing contributions.

In summary, the $19,000 (2019) limit is your limit as a person. But each 401k plan has a limit of $56,000 (see the last line of the IRS example on the previous page using 2016’s limits) which can add a lot of muscle to your self-employed retirement plan.

No, you cannot add your W-2s together (main job and side job) and use that for the basis of your side job / business employer contribution. That would be nice though.

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