Close-up of retirement account documents with calculator and pen showing IRA rollover paperwork

5 IRA Rollover Mistakes That Cost Retirees Thousands

Quick Answer

Five IRA rollover mistakes consistently drain retirement accounts: missing the 60-day window, rolling over required minimum distributions (RMDs), violating the one-rollover-per-year rule, ignoring net unrealized appreciation on company stock, and leaving funds uninvested. Even one misstep can trigger tens of thousands in taxes, penalties, and lost compounding, the IRS treats violations as full taxable distributions, and 28% of rollover IRAs sit in cash for a year or longer, destroying future growth.

An IRA rollover done wrong doesn’t just create paperwork, it can permanently shrink your nest egg by triggering a tax bill the IRS views as an early distribution. These **IRA rollover mistakes** are especially costly for retirees moving large balances from 401(k)s or other employer plans, where a single error on a $400,000 account can easily produce a six-figure tax shock. The IRS rules are precise, and even well-intentioned moves trip them.

Here’s what the data shows: according to IRS rollover guidance, a mishandled indirect rollover loses its tax-deferred status entirely, and the mandatory 20% federal withholding on employer-plan payouts often blindsides retirees who think they can simply redeposit the full amount. And because IRA rollover mistakes compound, a lost decade of growth coupled with a tax penalty, the real damage is measured in foregone retirement security.

Why IRA Rollover Mistakes Are So Expensive

Even a single IRA rollover mistake can convert tax-deferred savings into immediate taxable income. The IRS treats a failed rollover as a distribution, which means ordinary income tax on the entire withdrawn amount plus a 10% early-withdrawal penalty if you’re under 59½. On a $200,000 balance, that’s $20,000 in penalties alone before federal and state income taxes.

Indirect rollovers, where you receive a check and have 60 days to deposit it into an IRA, create the most risk. The plan administrator must withhold 20% for federal taxes, so a $100,000 check arrives as only $80,000. To complete a full rollover, you need to replace that missing $20,000 from other savings within the 60-day window; otherwise, the withheld amount is taxed and penalized. Many retirees discover this gap too late, making this one of the most common retirement savings pitfalls.

Direct trustee-to-trustee transfers avoid the withholding trap entirely. Yet roughly one-third of rollovers from 401(k) plans still flow through a check made payable to the individual, according to industry data. That’s a significant exposure for those who don’t understand the indirect rollover mechanics.

Key Takeaway: The difference between a direct transfer and an indirect rollover is the difference between a seamless tax deferral and a 20% mandatory federal withholding that must be replaced out-of-pocket, as detailed by IRS rollover rules. Using trustee-to-trustee transfers eliminates this risk entirely.

Mistake #1: Missing the 60-Day Rollover Deadline

The clock starts the day you receive an IRA or plan distribution, and you have exactly 60 calendar days to complete the redeposit into a qualified retirement account. Miss it, and the entire amount becomes taxable income for that year, with no do-overs under the standard rules. The IRS does offer a narrow escape: a self-certification process under IRS Revenue Procedure 2016-47 that can waive the deadline if the failure was due to circumstances beyond your control, such as a financial institution error, severe illness, or a postal delay.

To use the self-certification, you submit a letter to the IRA trustee or plan administrator stating you meet one of the approved reasons. This avoids the expense and delay of a private letter ruling. However, the waiver is not automatic; the IRS can later challenge the certification, so documentation is critical. If the waiver is denied, the distribution becomes taxable with possible penalties.

The 60-day window is especially treacherous for someone juggling multiple accounts after a job change. You may think you have plenty of time, but an administrative holdup, a misplaced check, a slow transfer, can burn through days fast. Even one day late can cost tens of thousands in tax.

Key Takeaway: The 60-day rollover window is rigid; the only official escape is self-certification under IRS Revenue Procedure 2016-47 for a qualifying hardship. Retirees who keep meticulous records of the timing and reason for a delay can protect themselves from a 10% early-withdrawal penalty on top of income tax.

Mistake #2: Rolling Over Required Minimum Distributions

RMDs are never eligible for rollover. Any amount that represents your required minimum distribution for the year must be taken as taxable income first; only the remaining balance can be moved to another account. The rule is absolute under IRS Publication 590-A, and rolling an RMD into an IRA is treated as an excess contribution subject to a 6% annual penalty until corrected. For someone turning 73 in 2026 (born in 1953), the first RMD must be taken by April 1 of the following year, but many try to move the entire account balance and inadvertently include the RMD portion.

Here’s what the data shows: if you have a $500,000 IRA and are required to withdraw roughly $18,248 as your first RMD, rolling that $18,248 into a new IRA creates not only immediate taxation on the distribution but also an excess contribution that must be withdrawn with earnings. The penalty alone can add over $1,000 for a single year, and if left uncorrected, it compounds. The fix involves filing IRS Form 5329 and possibly requesting a waiver of the penalty, which adds complexity.

Inherited IRAs bring an additional layer. Non-spouse beneficiaries now have a 10-year distribution rule for most inherited accounts, and missing the deadline triggers a 50% penalty on the amount that should have been withdrawn. While not a rollover per se, it intersects because some inheritors attempt to roll inherited funds into their own IRA, only to discover that’s prohibited and the entire account becomes taxable immediately. This 10-year carryover rule is a gap in many top articles, yet it’s a trap that can cost inheritors the entire tax deferral.

Key Takeaway: Rolling over RMDs is automatically a violation; the first dollars out must satisfy that year’s required withdrawal before any rollover is allowed. A retiree who mistakenly rolls a $18,248 RMD into an IRA faces income tax on that amount plus a 6% excess-contribution penalty, as outlined in IRS Publication 590-A.

Direct vs. Indirect Rollover: At a Glance

Feature Direct Rollover (Trustee-to-Trustee) Indirect Rollover (60-Day)
Mandatory withholding None 20% federal tax withheld from distribution
Tax risk Virtually zero if done correctly Full amount taxable if deadline missed or cannot replace withholding
Time limit No fixed deadline; funds move directly 60 calendar days from receipt
One-per-year rule Not applicable One IRA-to-IRA rollover per 12-month period
Best for Any rollover, especially from 401(k) to IRA Short-term bridge loans (risky, not recommended)

Mistake #3: Violating the One-Rollover-Per-Year Limit

Since 2015, the IRS applies a single rollover-per-12-month rule across all of an individual’s IRAs, not per account. If you take a distribution from IRA A and roll it into IRA B within 60 days, you cannot do another 60-day rollover from any of your IRAs for 12 months. The second distribution becomes fully taxable. Direct trustee-to-trustee transfers are exempt from this limit, which is why they’re the safer path for any IRA consolidation.

This rule catches retirees who hold multiple IRAs at different institutions and try to consolidate them quickly. A common pattern: you take a distribution from one IRA to move to another, then a month later do the same with a separate IRA at a different custodian. The second transaction violates the limit, and the IRS treats that distribution as income. Combined with the mandatory withholding gap on indirect rollovers, the tax bill can be staggering. The rule is strict; there’s no waiver for ignorance, and the only fix is to report the excess as taxable income.

Key Takeaway: The one-rollover-per-year rule applies across all IRAs collectively, not per account. A retiree who makes two indirect IRA-to-IRA moves within 12 months triggers full taxation on the second distribution, as clarified in IRS guidance, and there is no self-certification escape for this error.

Mistake #4: Ignoring Net Unrealized Appreciation on Company Stock

When you hold appreciated employer stock inside a 401(k), rolling the shares into an IRA forfeits a powerful tax break: net unrealized appreciation. By using NUA treatment, you can transfer the stock to a taxable brokerage account and pay ordinary income tax only on the cost basis at the time of distribution; the remaining appreciation is taxed at long-term capital gains rates when you sell, which are typically lower. If you instead roll the stock into an IRA, all future withdrawals are taxed as ordinary income, losing the preferred rate entirely.

Consider a retiree with company stock worth $200,000 and a cost basis of $40,000. Under NUA, $40,000 is taxed at ordinary rates in the year of distribution, and the $160,000 gain is eligible for capital gains rates, currently 0%, 15%, or 20% depending on income. Rolled into an IRA, the full $200,000 grows tax-deferred but eventually gets taxed at ordinary income rates that could reach 37%. Over a decade, the tax difference can exceed $40,000 for a high-income retiree. The NUA election is irrevocable, so it’s critical to evaluate before initiating a rollover. Many retirees overlook this because it requires leaving the stock out of the IRA, which feels counterintuitive.

Key Takeaway: Rolling employer stock into an IRA without analyzing NUA can cost a retiree the difference between capital gains rates and ordinary income tax rates on decades of appreciation. For a $200,000 position with a $40,000 basis, the tax savings from NUA can reach $40,000 or more for higher earners, as the IRS permits under its distribution rules. A tax-efficient distribution strategy that separates stock from the IRA often outperforms a full rollover.

Mistake #5: Letting Rollover Funds Sit in Cash

An IRA is just a container; after the rollover, you still need to invest the money. Yet new rollover IRAs default to a settlement or money market fund, not to a target-date fund or diversified portfolio. Vanguard’s analysis of rollover behavior found that 28% of rollover IRAs remain entirely in cash for 12 months or longer, and a subset, particularly among older cohorts, stayed in cash for seven years or more. A $300,000 rollover left in cash earning near-zero returns for five years misses out on roughly $90,000 in potential growth assuming a 6% annualized return, a figure that becomes a permanent loss of retirement spending power.

The behavioral reason is simple: in a 401(k), automatic enrollment and default investment options do the heavy lifting. In an IRA, you must explicitly choose investments. Retirees sometimes interpret the rollover “pause” as strategic, but cash is far more damaging than near-term market volatility. For those who plan to live off their portfolio for 30 years, even two years in cash can reduce sustainable withdrawal amounts significantly. Setting up automatic investments or selecting a balanced allocation immediately after the rollover closes this gap. A Coast FIRE mindset, staying fully invested while allowing time to compound, is the antidote to the default-cash trap.

Key Takeaway: Leaving rollover funds in cash for even 12 months erases tens of thousands in compound returns; Vanguard’s data shows 28% of rollovers sit idle for a year or more. Converting a rollover to an invested allocation immediately is essential to preserve retirement savings growth.

Frequently Asked Questions

Can I roll over an inherited IRA into my own IRA?

No. Only a surviving spouse can treat an inherited IRA as their own and perform a spousal rollover. Non-spouse beneficiaries must take distributions under either the 10-year rule or the life-expectancy method and cannot roll the funds into their personal IRA. Attempting to do so results in the entire account being treated as a taxable distribution.

What happens if I miss the 60-day window but the bank made an error?

You can use the IRS self-certification process under Revenue Procedure 2016-47. By submitting a written statement to the financial institution, you certify that the delay was due to a qualifying reason like a bank error, severe illness, or a natural disaster. The IRS will generally honor the certification, but you should retain documentation in case of an audit.

Do I have to pay state tax on an IRA rollover?

Most states follow the federal tax treatment and do not tax a valid rollover, but some have unique rules. California, for example, does not recognize certain IRS rollover waivers automatically and may tax the distribution if it’s not deposited within the state’s own 60-day rule. New Jersey and Pennsylvania also have nuances regarding IRA basis. Always check your state’s specific guidance.

How does the five-year rule affect Roth IRA conversions?

Each Roth conversion has its own five-year aging clock. If you convert pre-tax funds to a Roth IRA and withdraw the converted amount before five tax years have passed, you may owe a 10% early-withdrawal penalty on the taxable portion, even if you’re over 59½. This rule is separate from the five-year rule for qualified distributions from a Roth IRA itself, a detail many investors miss.

Can I roll over my 401(k) if I’m still working at age 73?

Sometimes, but only if the plan allows in-service rollovers. However, even if you roll over the balance, you must still take your RMD from the 401(k) for the current year before moving the remainder. Failing to remove the RMD first creates an excess contribution in the IRA that incurs a 6% annual penalty.

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Sung-Jin Yoo

Staff Writer

Nobody told Sung-Jin Yoo that starting a retirement newsletter at 26 while paying off student loans was a bad idea — or if they did, he ignored them. His self-built research practice, documented since 2021 in the newsletter *Deferred No More*, leans heavily on primary sources: actuarial tables, IRS notices, and peer-reviewed behavioral finance studies, all footnoted because he believes readers deserve to verify claims themselves. He hosts *The Long Horizon Podcast* (under 10k subscribers, proudly), where he interviews researchers and retirees who challenge the conventional wisdom that young people can afford to wait.