In-Plan Roth Rollover vs In-Plan Roth Transfer: Same Tax, Different Withdrawal Lock

By Craig Wear, CFP® | Last reviewed: November 5, 2026

An in-plan Roth rollover moves vested money the plan could already pay out into its designated Roth account; an in-plan Roth transfer moves vested money it could not. Both are taxed the same way under IRC 402A(c)(4) and neither can be reversed, but transferred dollars keep their old withdrawal limits.

Are “in-plan Roth rollover” and “in-plan Roth transfer” legal terms or recordkeeper labels?

Only partly legal. IRS Notice 2013-74 calls every such move an in-plan Roth rollover and sorts the money into “otherwise distributable” and “otherwise nondistributable” amounts; the word transfer never appears in it. That word comes from one clause of the Code, IRC 402A(c)(4)(E), added for transfers after December 31, 2012.

Clause (E)(i) lets a plan allow an individual “to have the plan transfer any amount not otherwise distributable under the plan” to a designated Roth account. Clause (E)(ii) then treats that transfer as a distribution contributed in a qualified rollover contribution. In tax law, a transfer is a kind of rollover, and the Form 1099-R instructions use one abbreviation, IRR, for the whole category. Four labels show up on forms:

• In-plan Roth rollover (IRR). The IRS term for both kinds of money. Voya and Empower narrow it to distributable money.
• In-plan Roth transfer (often IRT). Recordkeeper shorthand for the nondistributable kind. Voya says these are “sometimes referred to as” transfers.
• Roth in-plan conversion. An umbrella label. The Thrift Savings Plan’s January 2026 final rule defines it as “a taxable rollover to a designated Roth account as stated in 26 U.S.C. 402A(c)(4).”
• Direct transfer. Mechanics, not a money type. IRS Publication 575 says a rollover can be made “by direct transfer,” so the word on a form does not prove the money is nondistributable.

Which money counts as a rollover and which as a transfer at age 45 and at age 60?

The test is whether the plan could pay that dollar to the participant today. For a 45-year-old still on payroll, pre-tax deferrals and matching money are normally transfer money under Notice 2013-74 Q&A-2. At age 59½, deferrals can move to the rollover side, provided the plan pays them in service.

• Pre-tax deferrals. Notice 2010-84 Q&A-2 makes them rollover money only after severance, age 59½, death, disability, or a qualified reservist distribution.
• Match and nonelective money, including QMACs and QNECs. Eligible regardless of distribution conditions (Notice 2013-74 Q&A-2); the label turns on plan terms for each source.
• After-tax and rollover contributions. Rollover money when the plan pays them in service, as the Microsoft 401(k) Plan does. Rev. Rul. 2004-12 permits, without requiring, on-request payouts of separately accounted rollover amounts.
• Excluded. Unvested amounts, plus required minimum and hardship distributions, which IRC 402(c)(4) carves out of eligible rollover distributions.

Notice 2010-84 Q&A-4 adds a wrinkle: a plan may open a direct-rollover-only option at age 59½ for deferrals it still refuses to pay in cash, so a 60-year-old can hold rollover money that no cash withdrawal request would release.

In-plan Roth rollover vs in-plan Roth transfer: what differs line by line?

Income inclusion, the 5-year periods and irreversibility match, because Notice 2013-74 Q&A-1 applies Notice 2010-84 to both kinds of money. The differences are eligibility, the route the money can take, the Section 402(f) notice, voluntary withholding, and access after the move. The matrix cites the governing Q&A for each line.

Q3 side-by-side matrix compiled from IRC 402A(c)(4), Notice 2010-84, Notice 2013-74 and the Form 1099-R instructions.

The withholding line has the sharpest practical edge. Under Notice 2013-74 Q&A-4, no part of a transfer can be held back for income tax even at the participant’s request, so the tax on a $40,000 transfer has to come from outside the account or from higher paycheck withholding. The FRTIB told TSP participants the same: they “must use personal funds from another source.”

Distributable money has one extra option if the plan permits it: a separate cash distribution alongside the direct rollover, subject to 20% withholding under Section 3405(c). That cash is not rolled over, so the 10% tax under IRC 72(t) can apply before age 59½. Estimated payments and the other tax mechanics are in the in-plan Roth conversion guide.

What happens to an in-plan Roth transfer if the money is needed before age 59½?

Normally the plan cannot release it. Notice 2013-74 Q&A-3 says transferred amounts and their earnings stay under the restrictions that applied before the move, overriding Rev. Rul. 2004-12. So the lock comes first and the 10% recapture comes second, while rollover money can face recapture as soon as the plan pays it.

A hypothetical 45-year-old still employed in 2026 moves $30,000 of pre-tax deferrals by transfer and $30,000 of pre-tax rollover contributions by rollover, adding $60,000 to 2026 income. The recapture period for both runs through December 31, 2030, under Notice 2010-84 Q&A-12. Ignoring earnings:

• Request in 2028, still employed. The transfer money stays put until age 59½ or another IRC 401(k)(2)(B) event. The rollover money can come out if the plan allows it, and a $30,000 withdrawal draws a $3,000 additional tax unless a 72(t) exception applies.
• Job ends in 2029 at age 48. Severance lifts the lock, so the transfer money becomes payable, and the same $3,000 calculation reaches it through the end of 2030.
• Withdrawal in 2031 or later. Recapture has ended for both. A nonqualified payout can still carry taxable earnings, a separate question handled in the withdrawal-layer rules for mega backdoor money.

The lock also explains why a form may offer only one line: Notice 2013-74 Q&A-6 notes that a plan limited to distributable amounts avoids accounting separately for two kinds of rollover money. How each clock runs is covered in the explainer on the 5-year rule for Roth conversions.

What is an automatic in-plan Roth rollover, and how does a daily Roth in-plan conversion work?

An automatic in-plan Roth rollover is a plan feature that repeats an in-plan Roth direct rollover on a schedule, usually for new after-tax deposits. Neither notice mentions automation; Notice 2013-74 Q&A-6 only lets a plan limit eligible contributions and frequency. Vanguard’s December 2025 commentary, citing How America Saves, reports 36% of plans permit conversions and 10% automate them.

• Microsoft 401(k) Plan (Fidelity). Daily and same-day, elected on the NetBenefits Contributions page, for “new payroll after-tax contributions” made after the election. Older balances take a phone request.
• Exelixis 401(k) flyer (Fidelity, 2018 copyright). Set up by phone, with an email address so the plan can send the Special Tax Notice at setup and again every 180 days.
• Empower plan guide. Online recurring requests are limited to plan-designated after-tax sources.
• Thrift Savings Plan. 5 CFR 1650.60 caps participants at 26 Roth in-plan conversions per calendar year, each at least $500, which rules out a daily sweep.

That 180-day notice is a tell. Notice 2013-74 Q&A-1 removes the Section 402(f) notice only for nondistributable money, so a recurring notice suggests the plan treats its sweep as the rollover kind. All sweeps made in 2026 share one recapture period ending December 31, 2030, because Q&A-12 measures in taxable years. Stopping the feature halts future sweeps only, since Notice 2010-84 Q&A-6 rules out unwinding completed ones. The deposits this feature converts come from the mega backdoor Roth sequence.

How much taxable earnings build while after-tax money waits 1, 30, 90 or 365 days?

Very little at short waits. At a hypothetical 7% annual return, $10,000 of after-tax money earns about $1.85 in 1 day, $55.76 in 30 days, $168.23 in 90 days, and $700 in 365 days. Under Notice 2010-84 Q&A-7, the taxable amount is fair market value minus basis, so those earnings become ordinary income when converted.

Q3 calculation using 2026 IRS figures; hypothetical household. Taxable earnings on one $10,000 after-tax deposit, compounded at the labeled annual rate. Return assumptions are not forecasts.

A full year of payroll deposits matters more than one lump. Take a saver under 50 with $36,000 of 2026 after-tax room: the $72,000 Section 415(c) limit, less the $24,500 deferral, less a hypothetical $11,500 employer contribution. That is 26 deposits of $1,384.62, one every 14 days, swept on each schedule below.

Q3 calculation using 2026 IRS figures; hypothetical household. Assumes no prior after-tax balance and steady positive returns.

In the worked case, a married couple filing jointly with $300,000 of 2026 taxable income sits inside the 24% bracket, whose top is $403,550. At the 7% assumption, the once-a-year path adds $1,200.89 of income and $288.21 of federal tax; the daily path adds $6.67 and $1.60. Publication 575 counts rollover amounts included in income as cost in the Roth account, so the taxed earnings become basis. If the source falls below its basis, the Q&A-7 subtraction leaves no taxable amount.

Why can an automatic Roth conversion still create a tax bill when an old after-tax balance exists?

Because a partial conversion from one after-tax source can carry that source’s earnings with it. IRC 72(d)(2) allows employee contributions and their income to be treated as one separate contract, and Notice 2014-54 restates that under Section 72(e)(8) each distribution includes a pro rata share of after-tax and pre-tax amounts.

Consider a hypothetical $50,000 after-tax balance at setup: $40,000 of basis and $10,000 of earnings. If a plan applies that rule, a sweep on each of 26 paydays moves only that day’s $1,384.62, and the source grows at 7%, Q3’s calculation shows $5,944.01 of taxable income in year one, with $7,546.08 of earnings still in the after-tax source for later sweeps. Converting the whole $50,000 first would instead put the $10,000 on one return and leave later deposits with no earnings history.

The Exelixis flyer warns of a tax liability “as a result of any outstanding loan balance or any other balance remaining in one or more after-tax accounts,” and Empower’s guide states the same proportional rule. Moving old earnings to a traditional IRA is a different transaction that takes the money out of the plan, with trade-offs covered under the Notice 2014-54 split.

What should the plan administrator be asked before the rollover or transfer form is signed?

Five questions settle most label problems, because Notice 2013-74 Q&A-6 lets each plan limit eligible sources and frequency, and Q&A-7 lets it drop the feature without a Section 411(d)(6) problem. The summary plan description and any summary of material modifications come first; the administrator answers what those documents leave open.

1. For this age and employment status, which sources count as rollover money and which as transfer money? Is after-tax money otherwise distributable? Notice 2013-74 Q&A-2 does not list it, while IRC 402A(c)(4)(E)(i) reaches “any amount” not otherwise distributable.
2. Will converted money sit in a subaccount that keeps its old restrictions, and can any of it be withdrawn in service before age 59½?
3. Does the automated feature convert only new payroll deposits, or also loan repayments and rollovers, and is each sweep pro rata against the whole after-tax source?
4. Must a brokerage window balance be sold first (Empower’s guide and 5 CFR 1650.60(e) both require moving it to core funds), and can an outstanding loan move? Notice 2010-84 Q&A-7 taxes the loan balance if it does, and Voya’s materials exclude loans.
5. Does a year of sweeps arrive on one Form 1099-R or several? The amounts reach lines 5a and 5b of Form 1040, as set out in the Roth conversion reporting guide.

Frequently asked questions

This article is for educational purposes only and is not individualized investment, tax, or legal advice. Consult a qualified professional about your specific situation.