Withholding 20% Tax on Distribution
I would like to take a distribution from my Solo 401k plan. How do I withhold and report the taxes to the IRS?
Answer:
As the plan administrator, it is your responsibility to withhold the taxes and report the distribution
You will need to do the following:
1. Withhold the taxes and remit them using the Electronic Federal Tax Payment System (EFTPS) method
The EFTPS is a free service provided by the US Department of Treasury:
EFTPS: The Electronic Federal Tax Payment System
- Enroll in the EFTPS system at: www.eftps.gov
- Sign up and then make all your withholdings in the quarter in which you make a distribution. Taxes must be paid electronically.
- Enroll as a "business" and use the name and EIN of the 401k
- For your records, an Electronic Funds Transfer (EFT) Trace Number will be provided with each successful payment. The number can be used as a receipt or to trace the payment.
- The taxes must be paid by the 15th of the month following the date of the Solo 401k distribution
If you do not withhold the mandatory 20% tax at the time of distribution, you would then pay the taxes with personal funds at the time of tax return. But again, 20% tax withholding is mandatory.
2. File Form 945 by January 31st to report and reconcile what you have withheld
See "Where To File" for information on how to file Form 945 electronically or via paper form. Only one Form 945 should be filed per year.
3. Report the distribution by issuing Form 1099-R from your plan
The 1099-R is filed in the year following the year in which the distribution was performed (e.g. the 1099-R for 2022 is filed in 2023). There are two deadlines for the 1099-R:
- The Payee/recipient copy must be received by January 31st
- The electronic copy must be filed with the IRS by March 31st
You are responsible for the filing of the 1099-R by both deadlines.
Please contact your CPA for assistance in calculating the withholding and the reporting of federal income tax withholdings.