Can You Start a 72(t) Plan From a 401(k)? (w/Examples) + FAQs

Quick Answer

Yes — but only after you leave that employer, and only if the plan allows partial, scheduled withdrawals. For 2026, you can run a 72(t) “substantially equal periodic payments” plan straight from a 401(k) to skip the 10% early-withdrawal penalty. Most people roll to an IRA first because the 401(k) version is far more rigid.

This article reflects federal rules as of June 2026 and covers tax year 2026. Tax law changes — confirm current figures before you file.

A 72(t) plan lets you pull money from a retirement account before age 59½ without the 10% penalty, as long as you take a fixed yearly amount for a set number of years. The hard part with a 401(k) is not the tax law — it is your plan’s own rules. Many employer plans force a full payout after you leave and will not cut you the small, scheduled checks a 72(t) plan needs, which can quietly end your plan before it starts.

The stakes are real. If your plan can’t support the payments, or if you take one dollar more or less than your locked schedule, the IRS hits you with the 10% penalty on every prior payment, plus interest. Roughly half of U.S. households led by people 55–64 hold retirement accounts, so this is a common bridge for early retirees — but the 401(k) route trips up the unprepared.

Here’s what you’ll learn:

• 🔓 Why you must leave your job before a 401(k) 72(t) can start
• 🧮 A full worked example using all three IRS calculation methods
• ⚖️ When the Rule of 55 beats a 72(t) (and when it doesn’t)
• 🪤 The “locked cage” problem that makes a 401(k) 72(t) risky
• 📝 How to report it on Form 5329 and avoid a wrongly assessed penalty

What a 72(t) Plan Actually Is

A 72(t) plan is a way to take money out of a retirement account before age 59½ without owing the 10% early-withdrawal penalty. The IRS calls it a series of substantially equal periodic payments, often shortened to SEPP or “SoSEPP.” The name comes from Section 72(t) of the tax code, which sets the 10% penalty and then carves out this exception.

The deal is simple to state and hard to live with. You agree to take the same calculated amount every year, for the longer of five years or until you reach age 59½. In exchange, the IRS waives the penalty on those withdrawals. You still owe regular income tax on the money — a 72(t) avoids the penalty, not the tax.

The plan must run a long time. If you start at 50, you keep paying until 59½, which is nearly ten years. If you start at 58, you still must continue for a full five years, to age 63. You cannot pause it, you cannot change the amount, and you cannot add or pull extra money from that account. Break any of those rules and the deal collapses.

The consequence of breaking a 72(t) is steep, and people underestimate it. If you “bust” the plan, the IRS charges the 10% penalty on every payment you ever took, going back to year one, plus interest for the delay. A common myth is that you only lose the penalty on the year you slipped — wrong. The recapture reaches all the way back. Your next step before starting one: write down your exact end date and never touch the account outside the schedule.

Can You Really Do It From a 401(k)?

Yes in the tax code, but “maybe” in real life. The IRS rules clearly allow a 72(t) from a 401(k) and other qualified plans. The block is usually your specific plan document, which controls whether you can take small, repeating withdrawals at all. As one tax attorney puts it, there’s no guarantee a 401(k) will allow the partial withdrawals a 72(t) needs after you leave.

Many employer plans only offer a lump-sum payout once you separate. Some allow installments but not the odd, exact dollar figure a 72(t) calculation produces. Others charge fees per distribution or limit how often you can withdraw. None of these are tax-law problems — they are plan-design problems, and they can make a 401(k) 72(t) impossible even when the IRS would allow it.

This is why the standard, safer move is to roll the 401(k) into a traditional IRA first, then start the 72(t) from the IRA. An IRA always permits flexible partial withdrawals at any age, and you can split one IRA into two — a small “72(t) IRA” and a separate untouched IRA — which the 401(k) cannot do. Your next step: call your plan administrator and ask, in writing, whether the plan permits recurring partial distributions in a fixed dollar amount after separation.

The Separation-From-Service Rule

For a 401(k), 403(a), or 403(b), the tax code requires you to be separated from service with that employer before the 72(t) payments begin. This rule does not apply to IRAs, where you can start a 72(t) while still working. So if the money sits in your current employer’s 401(k) and you still work there, you cannot start a 401(k) 72(t) on it.

The reason this rarely matters in practice: almost no one wants to take taxable 401(k) withdrawals while still earning a full salary, since the withdrawals stack on top of W-2 income and get taxed at a higher rate. The consequence of ignoring the rule is a denied exception and the full 10% penalty. Your next step: confirm your separation date is on record with HR before you take the first payment.

How the Payment Is Calculated (3 IRS Methods)

The IRS gives three approved ways to set your yearly 72(t) amount, all spelled out in Notice 2022-6. Each uses an IRS life-expectancy table and your account balance. Two of them also need an interest rate, which you choose — but it cannot exceed the greater of 5% or 120% of the federal mid-term rate for one of the two months before you start.

The three methods are the required minimum distribution (RMD) method, the fixed amortization method, and the fixed annuitization method. The RMD method recalculates every year, so your payment moves with your balance. The two fixed methods lock one dollar amount for the life of the plan. Most early retirees pick fixed amortization because it gives the largest steady payment.

For June 2026, the federal mid-term rate is 4.13%, so 120% of it is about 4.96%. Since that’s under 5%, a saver starting in June 2026 could use up to roughly 4.96% as the interest rate in the two fixed methods. A higher rate means a bigger allowed payment. The consequence of using a rate that’s too high is a busted plan, so document the exact published rate you relied on.

Worked Example — All Three Methods

Meet Maria, age 52, who left her job and rolled $400,000 into an IRA she’ll use for a 72(t) starting in 2026. Her balance is $400,000 on December 31, 2025, her single life expectancy at 52 is about 34.3 years, and she picks a 4.9% interest rate (allowed under the 2026 cap). Here is how each method changes her yearly check, using the same math structure the IRS shows in its examples.

• RMD method: $400,000 ÷ 34.3 = about $11,662 the first year, then recalculated yearly.
• Fixed amortization: $400,000 amortized over 34.3 years at 4.9% ≈ a level $24,600 every year.
• Fixed annuitization: $400,000 ÷ an annuity factor at 4.9% ≈ a level $24,000 every year.

The RMD method gives the smallest, most flexible payment; the fixed methods give a much larger, frozen payment. Maria’s next step is to lock her choice in writing and keep the year-end statement that proves her $400,000 starting balance, in case the IRS asks.

The “Locked Cage” Problem With a 401(k)

When you start a 72(t) on an account, that entire account is locked for the life of the plan — no extra withdrawals, no extra contributions, no rollovers in. With a 401(k), the whole balance gets caged because you usually can’t split a 401(k) into a 72(t) piece and a free piece. With IRAs, you can split first, so only a small slice is trapped.

This matters when your plans change. Say you start a $50,000-a-year 72(t) on a $2 million 401(k), then inherit money and want to cut your payment. From the 401(k), a one-time switch to the RMD method might only drop it to about $48,000 — almost no relief. Had you used a $804,000 72(t) IRA instead, the same switch could drop the payment to around $19,000.

The reverse hurts too. If you later need more money, you can’t just start a second 72(t) on the same caged 401(k) — most experts treat that as an illegal modification that busts the original plan and triggers full penalty recapture. With a separate untouched IRA, you’d simply carve out a new small 72(t) IRA. Your next step: before locking a 401(k), ask whether a partial rollover to an IRA is allowed so you keep flexibility.

72(t) vs. Rule of 55 (Which Fits You?)

If you’re leaving a job at 55 or later, you may not need a 72(t) at all. The Rule of 55 lets you take penalty-free withdrawals from that employer’s 401(k) if you separate in the year you turn 55 or older. It’s far more flexible — no fixed schedule, no five-year lock, take what you want when you want.

The catch: the Rule of 55 only works on the plan of the employer you just left, never on an IRA or an old employer’s plan. The moment you roll that 401(k) into an IRA, you lose Rule of 55 access on it. For public safety workers — police, firefighters, and similar — the trigger age drops to 50.

Feature	72(t) SEPP
Minimum age to start	Any age, if separated (for a 401(k))
Account types	401(k), 403(b), and IRAs
Flexibility of withdrawals	Locked — same amount every year
How long you’re committed	Longer of 5 years or until age 59½
Penalty for taking the wrong amount	Full 10% recapture plus interest

Feature	Rule of 55
Minimum age to start	Year you turn 55 (50 for public safety)
Account types	Former employer’s 401(k)/403(b) only
Flexibility of withdrawals	Fully flexible — any amount, anytime
How long you’re committed	No commitment
Penalty for taking the wrong amount	None — no schedule to break

Which Situation Applies to You?

Your best path depends on your age and where the money sits. Use these branches to find the section that fits, then confirm with your own plan’s rules before acting.

• You’re under 55 and money is in your current 401(k): You must separate first; then decide between a 401(k) 72(t) (if the plan allows partial payments) or rolling to an IRA and running the 72(t) there. The IRA route is usually safer.
• You’re 55 or older (50 for public safety) and just left that job: Use the Rule of 55 on that 401(k) — it’s far more flexible. Do not roll to an IRA first, or you lose it.
• Money is already in an IRA: You cannot use the Rule of 55; a 72(t) IRA is your penalty-free path before 59½.
• You want flexibility for future income changes: Roll to an IRA, split it, and run the 72(t) on a small slice so the rest stays free.

Mistakes to Avoid

• Starting a 401(k) 72(t) before checking plan rules. If the plan only pays lump sums, you can’t make the scheduled payments, and your plan fails before it starts.
• Rolling a 401(k) to an IRA when the Rule of 55 was better. The rollover permanently kills Rule of 55 access on that money, forcing you into a rigid 72(t) instead.
• Taking the wrong dollar amount. Even being off by a little busts the plan and triggers 10% recapture on all prior payments plus interest.
• Adding money to a caged account. Any contribution or roll-in to a 72(t) account is a modification that ends the plan and triggers penalties.
• Starting a second 72(t) on the same account. Most experts treat this as an illegal modification that busts the first plan.
• Using an interest rate above the cap. A rate over the greater of 5% or 120% of the mid-term rate invalidates the calculation.
• Forgetting to file Form 5329. If your 1099-R shows code 1, the IRS assumes you owe the penalty unless you claim the exception yourself.
• Stopping payments after turning 59½ too soon. If you started under 54½, you still owe the full five years even past 59½.
• Not documenting your starting balance. Without the year-end statement, you can’t prove your calculation if audited.

Reporting It on Form 5329

When you take a 72(t) payment, your custodian sends a Form 1099-R. If box 7 shows code 2, the IRS already knows the exception applies and you file nothing extra. If it shows code 1, you must file Form 5329 with your tax return to claim the exception yourself.

On Form 5329, you enter the distribution on line 1, then on line 2 you enter the exception amount along with exception code 02 — the code for substantially equal periodic payments. Code 01 is the separate Rule of 55 exception, so don’t mix them up. Entering an amount without the correct code causes the IRS to disallow the exception and bill the full 10% penalty.

File Form 5329 with your Form 1040 by the April 15 deadline (the 2026 return is due April 15, 2027). The consequence of skipping it when your 1099-R says code 1 is an automatic penalty notice. Your next step: check box 7 on your 1099-R in January, and if it’s a “1,” attach Form 5329 with code 02.

Do’s and Don’ts

• Do confirm in writing that your 401(k) allows fixed, recurring partial payments before you commit — otherwise the plan can’t function.
• Do consider rolling to an IRA first for flexibility, since you can split an IRA and a 401(k) usually can’t be split.
• Do keep your December 31 account statement, because it proves the balance behind your calculation.
• Do check your age first — if you’re 55+, the Rule of 55 is simpler and may be better.
• Do use a 72(t) calculator and then have a tax pro verify it, because one math error voids the exception.
• Don’t add or remove money from a 72(t) account, because any change busts the plan and triggers recapture.
• Don’t roll a 401(k) to an IRA if you qualify for and want the Rule of 55, since rolling kills that option.
• Don’t assume your plan will cut the exact payment you need; many only do lump sums.
• Don’t start a second 72(t) on the same account, because it likely modifies the first plan.
• Don’t stop payments early, because the schedule must run the full term to avoid penalties.

Pros and Cons

• Pro: A 72(t) works at any age, so it’s the only penalty-free bridge for someone retiring well before 55.
• Pro: It applies to IRAs too, where the Rule of 55 never can.
• Pro: You can choose among three methods to size the payment to your needs.
• Pro: The fixed amortization method gives a large, predictable yearly income.
• Pro: Once set up correctly, the payments run on autopilot for years.
• Con: It’s rigid — the same amount must come out every year for the full term.
• Con: A single misstep triggers 10% recapture on all past payments plus interest.
• Con: A 401(k) version cages the whole account, killing flexibility.
• Con: Many 401(k) plans simply won’t support the scheduled withdrawals.
• Con: You still owe ordinary income tax on every dollar withdrawn.

Named Examples

Maria, 52 — rolls to an IRA first. Maria leaves her job with $400,000 in her 401(k) and wants $24,000 a year before 59½. Her plan only offers lump sums, so she rolls to a traditional IRA and runs a fixed-amortization 72(t) there, locking a clean, penalty-free yearly payment with room to keep part of her savings free.

David, 56 — uses the Rule of 55 instead. David retires from his employer in the year he turns 56. Because the money is still in that employer’s 401(k), he skips the 72(t) entirely and takes flexible, penalty-free withdrawals under the Rule of 55 — no fixed schedule, no five-year lock.

Tom, 53 — busts his plan. Tom starts a $50,000 72(t) on a $2 million 401(k), then pulls an extra $20,000 for a roof repair. That extra withdrawal modifies the plan, so the IRS recaptures the 10% penalty on every prior payment plus interest — a costly lesson in why the caged 401(k) is risky.

What to Do Next

1. Confirm your separation date is on file, since a 401(k) 72(t) can’t start until you’ve left.
2. Ask your plan administrator, in writing, whether it allows fixed recurring partial withdrawals.
3. If it doesn’t — or you want flexibility — roll the 401(k) into a traditional IRA, then consider splitting it.
4. Check your age: if you’re 55+ (50 for public safety) and the money is in that employer’s plan, compare the Rule of 55 first.
5. Run all three methods through a 72(t) calculator, then have a CPA verify the math.
6. Save your December 31 balance statement and the published interest rate you used.
7. At tax time, check box 7 on your 1099-R; if it’s code 1, file Form 5329 with code 02.

This article is educational and not a substitute for advice from a licensed professional. A 72(t) is one of the easiest plans to break by accident, so if your balance is large or your situation is complex — an inheritance, a working spouse, multiple accounts — have a CPA or tax attorney design and review the plan before your first withdrawal.

FAQs

Can you start a 72(t) from a 401(k)? Yes, but only after you separate from that employer and only if the plan allows fixed, recurring partial withdrawals. Many 401(k) plans only pay lump sums, so most people roll to an IRA first for the 72(t).

Do you have to quit your job to start a 401(k) 72(t)? Yes. For a 401(k), 403(a), or 403(b), you must be separated from service before payments begin. This separation rule does not apply to IRAs, where you can start a 72(t) while still employed.

Is a 72(t) better than the Rule of 55? It depends on your age. If you’re 55 or older and the money is in your former employer’s 401(k), the Rule of 55 is more flexible. Under 55, or money in an IRA, a 72(t) may be your only penalty-free option.

How long does a 72(t) plan last? The longer of five years or until you reach age 59½. If you start at 50, payments run nearly ten years. If you start at 58, you still must continue a full five years, to age 63.

What happens if I break a 72(t) plan? You owe the 10% penalty on every past payment, plus interest. The IRS recaptures the penalty back to year one — not just the year you slipped — making a busted plan very expensive.

Can I change my 72(t) payment amount? Once. You may make a one-time switch from a fixed method to the RMD method, which lowers the payment. Any other change is treated as a modification that busts the plan.

What interest rate can I use for 2026? Up to about 4.96%. You may use the greater of 5% or 120% of the federal mid-term rate; the June 2026 mid-term rate is 4.13%, so 120% is roughly 4.96%, and you’d use the lower of that and 5%.

Does a 72(t) avoid income tax? No. A 72(t) only waives the 10% early-withdrawal penalty. You still owe ordinary income tax on every dollar you withdraw from a traditional 401(k) or IRA.

Can I take a 72(t) from a Roth IRA? Yes, the 72(t) exception applies to IRAs including Roth IRAs, though Roth contribution basis already comes out penalty-free, so a 72(t) is usually used for the earnings portion before 59½.

How do I report a 72(t) on my taxes? File Form 5329 with code 02 if your 1099-R shows distribution code 1. If box 7 already shows code 2, the IRS knows the exception applies and you don’t need to file anything extra.

Can I run a 72(t) on more than one account? Yes. Each account gets its own separate 72(t), and you can’t combine balances or shift payments between them. Each plan’s annual amount must come only from its own account.

Why do advisors prefer a 72(t) IRA over a 401(k)? Flexibility. You can split an IRA so only a small slice is locked, while a 401(k) cages the entire balance. The IRA also reliably allows the small scheduled withdrawals a 72(t) requires.

Word count: approximately 2,950 words.