What Is an In-Service Rollover and How Does It Work?

An in-service rollover is a transfer of money out of your current employer’s 401(k), 403(b), or similar retirement plan into an IRA or another qualified account while you’re still working for that employer. Ordinary rollovers happen after you leave a job; this one doesn’t require you to quit. Two things have to line up for it to work: the IRS has to allow the distribution based on your age and the source of the funds, and your employer’s plan document has to permit the transfer in the first place. Handled correctly, the money keeps its tax-advantaged status and no tax is owed at the time of the move.¹

People usually pursue this for one reason: their workplace plan offers a narrow menu of funds, and an IRA opens the door to a much wider set of investments. It’s not a hardship withdrawal, not a loan, and it doesn’t change your employment. It’s a change of custodian for retirement dollars you already own.

Who Can Actually Do One

The federal rule most people run into is age 59½. Once you reach it, you can generally access your vested balance without the 10% early distribution penalty, even while still employed.² Under that age, whether you can move money depends entirely on the source of the dollars, which is covered in the next section.

The second gatekeeper is your plan document. The IRS permits in-service rollovers, but your employer isn’t required to offer them. Many plans don’t, because keeping assets under management helps the plan negotiate lower fund fees. Your Summary Plan Description will tell you whether the feature exists and what conditions attach: some plans require a minimum number of years of service, cap the number of rollovers per year, or set a floor on how much you can move at once. Read the terms before assuming you qualify.

If you’re married and your plan follows the qualified joint and survivor annuity rules, your spouse may need to consent in writing before the rollover goes through, because moving assets out of the plan can affect their survivor benefit.³ Your plan administrator will tell you whether that applies.

Which Dollars Are Eligible to Move

Not every dollar in your account can leave. The plan tracks your balance by contribution source, and each source has its own rules. Ask your plan administrator for a breakdown before you start.

Employer matching and profit-sharing contributions are usually the easiest to move once fully vested. Many plans allow in-service rollovers of these balances at any age.
Money you previously rolled in from a former employer’s plan is generally available to roll again at any time.
After-tax (non-Roth) contributions, if your plan accepts them, are often available for in-service distribution. This is the foundation of the mega backdoor Roth strategy discussed below.
Your own pre-tax elective deferrals are the most restricted. Federal law generally locks these inside the plan until you reach 59½, leave your job, become disabled, or die.⁴
Safe harbor employer contributions generally cannot be withdrawn in-service before 59½, whether the plan uses a basic safe harbor match or a qualified automatic contribution arrangement.

If you have an outstanding 401(k) loan, that adds a wrinkle. Some plans require repayment before processing a rollover. Others reduce your distributable balance by the outstanding loan amount and treat the offset as a distribution. For an in-service offset not triggered by separation or plan termination, you have 60 days to roll the offset amount to avoid taxes and penalties.⁵

Direct Rollover or Indirect Rollover

You have two ways to move the money. The right answer is almost always direct.

In a direct rollover, the plan administrator sends the money straight to the receiving IRA custodian or plan. You never touch the funds. No taxes are withheld, no penalties apply, and there’s no deadline pressure. The check is made payable to something like “Custodian Name FBO Your Name” so the IRS treats it as a transfer rather than a distribution to you.¹ There’s no cap on how many direct rollovers you can do per year.

In an indirect (60-day) rollover, the plan sends the money to you, and you have exactly 60 calendar days to deposit it into a qualifying retirement account.¹ The plan is required to withhold 20% for federal income tax before cutting the check. Request $50,000 and you receive $40,000. To complete the rollover tax-free, you have to deposit the full $50,000 within 60 days, making up the $10,000 shortfall from your own savings.⁶ Deposit only the $40,000 you received and the missing $10,000 becomes a taxable distribution, plus a 10% penalty if you’re under 59½. Miss the 60-day window entirely and the full amount is taxable.⁷

The withholding math and the strict deadline are where most rollover mistakes happen. Choose direct unless you have a specific reason not to.

How to Execute the Transfer

The process is administrative rather than complicated, but skipping a step can add weeks.

Confirm with your plan administrator that in-service rollovers are allowed and identify which portions of your balance qualify.
Open or identify the receiving account. You’ll need the custodian’s full legal name, mailing address, and your account number.
Complete the Distribution Request or Rollover Election Form on your employer’s benefits portal, specifying the amount and electing a direct or indirect rollover.
For a direct rollover, make sure the check is payable to the new custodian FBO your name, never to you personally.
Match the destination to the tax type. Pre-tax dollars going to a traditional IRA avoid immediate tax. Pre-tax dollars going to a Roth IRA become taxable income in the year of the transfer.
Expect five to ten business days for processing. If a physical check is mailed, follow up with both institutions to confirm receipt.

Taxes and Reporting

Every in-service rollover generates a Form 1099-R from the plan administrator, whether or not any tax is owed.⁸ For a direct rollover into a like-kind account, the form shows distribution code G in Box 7 and $0 in Box 2a for the taxable amount.⁹ You report the transaction on your return, but no additional tax results.

For an indirect rollover completed within 60 days, the 1099-R shows the full distribution and the 20% withheld. You report the rollover and claim the withheld amount as a tax payment. If you replaced the 20% from your own funds and deposited the full original amount, no taxable income results.

Rolling pre-tax 401(k) money into a Roth IRA is a Roth conversion, and the entire converted amount is taxable in the year of the transfer. The plan won’t withhold on a direct rollover to a Roth, so you handle the tax bill at filing. Large conversions can push you into a higher bracket and may require estimated quarterly payments to avoid an underpayment penalty. A five-year clock also attaches: withdrawing the converted amount from the Roth IRA within five years while under 59½ triggers the 10% early distribution penalty on the taxable portion.¹⁰

When an In-Service Rollover Can Backfire

The default advice to move workplace money into an IRA doesn’t always hold. Three situations deserve real attention before you file the paperwork.

Creditor Protection

Money inside an ERISA-qualified 401(k) or 403(b) has unlimited federal protection in bankruptcy, and judgment creditors generally cannot reach it. Once you roll it into an IRA, federal bankruptcy law caps the IRA exemption at $1,711,975 per person (effective April 2025 through March 2028). Rollover dollars from an employer plan are tracked separately and may keep unlimited protection in some states, but the rules vary. If you have substantial retirement assets and any meaningful creditor exposure, talk to an attorney before executing a large in-service rollover.

Company Stock and Net Unrealized Appreciation

If your 401(k) holds appreciated employer stock, rolling it into an IRA can cost you a significant tax break. Under the net unrealized appreciation rules, a lump-sum distribution of employer stock from a qualified plan lets you pay ordinary income tax only on the stock’s cost basis at distribution. When you later sell, the appreciation is taxed at long-term capital gains rates.¹¹ Roll the stock into an IRA and you lose that treatment; every dollar coming out later is taxed as ordinary income. For someone with heavily appreciated company stock, the difference can be tens of thousands over a lifetime. Run the numbers with a tax professional before moving those shares.

The Pro-Rata Rule for Mixed Balances

If your account holds both pre-tax and after-tax money, you can’t isolate the after-tax dollars for a rollover and leave the pre-tax behind. The IRS requires each distribution to include a proportional share of each type. An account that is 80% pre-tax and 20% after-tax produces a $50,000 distribution split $40,000 pre-tax and $10,000 after-tax.¹² IRS Notice 2014-54 does let you split the two portions across different destinations in the same transaction, sending the pre-tax to a traditional IRA and the after-tax to a Roth IRA.¹³

The Mega Backdoor Roth

The most powerful use of an in-service rollover involves after-tax contributions above the standard elective deferral limit. If your plan accepts after-tax (non-Roth) contributions and allows in-service distribution of them, you can contribute up to the overall 401(k) limit and roll those after-tax dollars into a Roth IRA. Financial planners call this the mega backdoor Roth.

Here’s the room it uses. In 2026, pre-tax or Roth elective deferrals max out at $24,500, or $32,500 for those 50 and older, or $35,750 for those 60 through 63 under the enhanced catch-up.¹⁴ The combined limit including employer contributions is significantly higher. The gap between what you’ve already contributed and that overall cap is space for after-tax contributions, if your plan permits them.

Once those after-tax dollars are in the plan, you roll them to a Roth IRA through an in-service distribution. You already paid income tax on the contribution, so only the earnings portion is taxable at conversion. Roll frequently and the earnings, and the tax, stay small. Notice 2014-54 makes the split clean by allowing the pre-tax earnings to go to a traditional IRA and the after-tax basis to go to a Roth IRA in the same distribution.¹³

Both plan features have to exist for this to work: after-tax contributions and in-service distribution of them. Many plans offer neither, some offer one and not the other. Check the Summary Plan Description or ask the benefits department directly before building a strategy around it.

1
Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions
2
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
3
Internal Revenue Service. Fixing Common Plan Mistakes – Failure to Obtain Spousal Consent
4
Internal Revenue Service. 401(k) Plan Fix-It Guide – Elective Deferrals Werent Limited to the Amounts Under IRC Section 402(g)
5
Federal Register. Rollover Rules for Qualified Plan Loan Offset Amounts
6
Internal Revenue Service. Topic No. 413 – Rollovers From Retirement Plans
7
Internal Revenue Service. Retirement Plans FAQs Relating to Waivers of the 60-Day Rollover Requirement
8
Internal Revenue Service. About Form 1099-R – Distributions From Pensions, Annuities, Retirement or Profit-Sharing Plans, IRAs, Insurance Contracts, Etc.
9
Internal Revenue Service. 2025 Instructions for Forms 1099-R and 5498
10
Internal Revenue Service. Publication 590-B (2025) – Distributions From Individual Retirement Arrangements (IRAs)
11
Internal Revenue Service. Notice 98-24 – Net Unrealized Appreciation in Employer Securities
12
Internal Revenue Service. Rollovers of After-Tax Contributions in Retirement Plans
13
Internal Revenue Service. Notice 2014-54 – Guidance on Allocation of After-Tax Amounts to Rollovers
14
Internal Revenue Service. Notice 2025-67 – 2026 Amounts Relating to Retirement Plans and IRAs