Rollover 401k to IRA: Rules, Deadlines, and Withholding Traps

To roll over a 401k to an IRA without owing tax, ask your 401k administrator for a direct rollover into an IRA that matches your account’s tax treatment: pre-tax 401k money into a Traditional IRA, Roth 401k money into a Roth IRA. Done that way, no taxes are withheld, no 60-day clock starts, and the distribution is reported to the IRS as nontaxable. Almost every problem people run into with rollovers comes from choosing the other method.

Direct Rollover vs. Indirect Rollover

Every 401k-to-IRA transfer is one or the other, and the choice controls everything that follows.

In a direct rollover, the money moves straight from your 401k provider to your IRA custodian. Either the two institutions transfer it electronically, or a check is issued payable to the receiving custodian “for the benefit of” you. You never take possession. No taxes are withheld. Nothing has to be replaced. The plan reports it on Form 1099-R with distribution code G and a taxable amount of zero.¹

In an indirect rollover, the plan cuts a check payable to you. Two things happen automatically. The administrator withholds 20% of the distribution for federal taxes before the check is issued.² And you get exactly 60 days from the date you receive the funds to deposit the full original balance into an IRA.³ Miss the window and the whole amount becomes taxable income, with an additional 10% early withdrawal penalty on top if you’re under 59½.⁴

The statute itself carves out the direct-rollover exception: withholding does not apply if you elect to have the distribution paid directly to an eligible retirement plan.² For a standard 401k-to-IRA transfer, there is almost no reason to choose the indirect route.

The 20% Withholding Trap

Here is where people get burned. Your 401k balance is $100,000. You take an indirect distribution. The administrator sends you a check for $80,000 because $20,000 was withheld. To complete a fully tax-free rollover, you have to deposit $100,000 into an IRA within 60 days, which means coming up with $20,000 of your own money to replace the withholding.⁵

Deposit only the $80,000 you actually received and the IRS treats the missing $20,000 as a taxable distribution. You’ll owe income tax on it at your marginal rate, plus the 10% penalty if you’re under 59½. You do get credit for the $20,000 withheld when you file your return, but that refund doesn’t erase the tax liability on the shortfall. A direct rollover avoids the trap entirely.

Match the Account Type: Traditional or Roth

The IRA you roll into has to match the tax treatment of the money coming out of the 401k.

Pre-tax 401k money rolls into a Traditional IRA. Contributions went in before tax, growth is tax-deferred, and distributions are taxed as ordinary income in retirement. The Traditional IRA is authorized to receive rollover contributions from qualified plans under the same section of the code that governs it.⁶

Roth 401k money rolls into a Roth IRA. Tax was already paid on those contributions, and qualified distributions come out tax-free.⁷ If your 401k has both a pre-tax balance and a Roth balance, you’ll typically open two IRAs to receive them.

You can also roll pre-tax 401k money into a Roth IRA, but that’s a Roth conversion, not a like-for-like rollover, and the entire converted amount is added to your taxable income for the year.⁸ You report the conversion on Form 8606, and the decision is irrevocable.⁹ Only convert deliberately.

Some plans also hold after-tax contributions that aren’t Roth. When a distribution mixes pre-tax and after-tax dollars, each dollar carries a proportional share of both, but a simultaneous split lets you direct all the pre-tax money to a Traditional IRA and all the after-tax money to a Roth IRA.¹⁰

How to Complete the Rollover

Three phases: open the receiving IRA, request the distribution, confirm the money arrives.

First, open the IRA. Once the account is set up, the custodian will issue an account number and either a Letter of Acceptance or electronic transfer instructions containing the receiving institution’s routing information and the mailing address for rollover checks. You need this before you contact the 401k provider.

Second, request the distribution from your 401k administrator. Most providers handle this through an online portal; some still use a paper form. Specify a direct rollover, enter the receiving institution’s name and account details, and confirm the payee. Get the payee information right the first time, because errors cause the check to be reissued and the transfer delayed. Some administrators require a Medallion Signature Guarantee on high-value transfers, which any bank or brokerage can provide. Once your request is processed, the plan liquidates the investments and sends the funds.

Third, confirm arrival. Wires typically settle in one to three business days. Physical checks take longer, and if the check is sent to your home rather than directly to the custodian, forward it promptly. When the money lands, the IRA custodian will code it as a rollover contribution, which means it does not count against your annual IRA contribution limit. Verify the balance and keep confirmation records from both institutions.

The 60-Day Deadline and How to Get a Waiver

The 60-day rule applies to indirect rollovers only. The clock starts the day you receive the funds, and no extension exists for a weekend or holiday on day 60.³ The same 60-day period runs on IRA-to-IRA rollovers.⁶

Miss the deadline and you may still qualify for a waiver by self-certification under Revenue Procedure 2020-46, but only for a listed reason:¹¹

A financial institution error caused the delay
The distribution check was lost and never cashed
You deposited the money into an account you mistakenly believed was an eligible retirement plan
Severe personal circumstances, including serious illness, death of a family member, severe damage to your home, or incarceration
Postal error, or restrictions imposed by a foreign country
The distributing institution failed to provide information you needed despite reasonable efforts to obtain it

Self-certification is done by written statement to the IRA custodian identifying the qualifying reason. You must complete the rollover as soon as the obstacle is removed, and a safe harbor treats the deposit as timely if it happens within 30 days after the reason ceases. Keep the certification; the IRS can review it on audit.¹¹

One boundary worth noting: the one-rollover-per-12-months limit that catches people between IRAs does not apply to a 401k-to-IRA rollover.⁵ You can do a 401k rollover regardless of other rollovers you’ve done in the past year.

Situations That Change the Math

Four common wrinkles are worth checking before you initiate the transfer.

Outstanding 401k Loan

If you leave your job with an unpaid 401k loan, the plan reduces your account by the outstanding balance, creating a plan loan offset. That offset is an eligible rollover distribution, so you can avoid the tax by depositing the offset amount into an IRA.¹² For a qualified plan loan offset, the deadline is not 60 days but your tax filing deadline for the year of the offset, including extensions.³ Because the plan kept the loan balance rather than sending cash, there’s no 20% withholding on the offset — but you’ll need cash from somewhere else to fund the IRA deposit.

Company Stock in Your 401k

If your 401k holds appreciated shares of your employer’s stock, rolling those shares into an IRA can cost you real money. The net unrealized appreciation rules let you pay long-term capital gains rates on the growth if you take the stock as an in-kind distribution to a taxable brokerage account instead of an IRA.¹³ The top federal long-term capital gains rate is 20%; ordinary income runs up to 37%. Once the stock is inside an IRA, every dollar that eventually comes out is ordinary income and the NUA break is gone forever.

To use NUA, you must have a qualifying event (separation from service, age 59½, disability, or death), take a lump-sum distribution of your entire 401k balance in a single tax year, and receive the stock in kind. Other assets in the plan can still roll to an IRA. You pay ordinary income tax on the stock’s original cost basis at distribution; the appreciation is taxed at long-term capital gains rates when you sell. If you’re under 59½, the 10% early withdrawal penalty applies to the cost basis amount. When the stock has appreciated significantly on a low cost basis, the strategy is worth pricing out before initiating any rollover.

RMD Age and the Still-Working Exception

A rollover can pull forward the date you’re required to start taking withdrawals. Many 401k plans let you delay required minimum distributions past the normal age as long as you’re still working and don’t own 5% or more of the company.¹⁴ IRAs have no still-working exception. Once you hit the RMD age, distributions from a Traditional IRA begin regardless of employment.

Under SECURE 2.0, RMDs begin at age 73 if you were born from 1951 through 1959, and at age 75 if you were born in 1960 or later.¹⁵ The first RMD is due by April 1 of the year after you reach the applicable age; each following RMD is due December 31. Miss a required distribution and the excise tax is 25% of the shortfall, dropping to 10% if you correct it within two years.¹⁴ If you’re past the RMD age, still working, and using the plan’s still-working exception, rolling to an IRA forces taxable withdrawals you didn’t have to take yet.

Creditor Protection

ERISA gives 401k balances broad protection from creditors, and in bankruptcy the 401k is excluded from the estate without a dollar cap. IRAs get less. Traditional and Roth IRAs are exempt in bankruptcy only up to $1,711,975 (adjusted through March 31, 2028). Amounts you rolled over from a qualified employer plan don’t count against that cap, so a fully rollover-funded IRA of any size stays protected in federal bankruptcy.¹⁶ Outside of bankruptcy, IRA protection from lawsuits and judgments is governed by state law and varies. If creditor risk is a real concern, check your state’s exemption rules before leaving an ERISA plan.

Reporting the Rollover on Your Tax Return

Even a clean direct rollover shows up on your return. The 401k provider issues Form 1099-R. On a direct rollover, box 2a (taxable amount) is zero and box 7 carries distribution code G.¹ Report the gross distribution on Form 1040 and enter zero for the taxable amount.

For an indirect rollover completed within 60 days, report the distribution and show that the full amount was rolled over. If you rolled over only the net check and never replaced the 20% withholding, the shortfall is taxable. The IRS matches the 1099-R against your return, so a rollover that goes unreported — even a nontaxable one — can generate a notice.¹⁷

1
Internal Revenue Service. Instructions for Forms 1099-R and 5498
2
Office of the Law Revision Counsel. 26 USC 3405 – Special Rules for Pensions, Annuities, and Certain Other Deferred Income
3
Office of the Law Revision Counsel. 26 USC 402 – Taxability of Beneficiary of Employees Trust
4
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
5
Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions
6
Office of the Law Revision Counsel. 26 USC 408 – Individual Retirement Accounts
7
Office of the Law Revision Counsel. 26 USC 408A – Roth IRAs
8
Internal Revenue Service. Rollover Chart
9
Internal Revenue Service. Instructions for Form 8606
10
Internal Revenue Service. Rollovers of After-Tax Contributions in Retirement Plans
11
Internal Revenue Service. Revenue Procedure 2020-46
12
Internal Revenue Service. Plan Loan Offsets
13
Office of the Law Revision Counsel. 26 USC 402 – Taxability of Beneficiary of Employees Trust – Section: Net Unrealized Appreciation
14
Internal Revenue Service. Retirement Topics – Required Minimum Distributions
15
United States Congress. Required Minimum Distribution Rules for Original Owners
16
Office of the Law Revision Counsel. 11 USC 522 – Exemptions
17
Internal Revenue Service. Do I Need to Report the Transfer or Rollover of an IRA or Retirement Plan on My Tax Return