Can a CRT Replace the Stretch IRA and Pay Children Tax-Free Income?
Charitable planning · Retirement assets
Municipal bonds change what the trust earns. They do not erase the ordinary income it received from the IRA.
By Klaus Gottlieb, Esq. · October 6, 2026 · 11 min read
Short answer. A properly designed charitable remainder trust can use inherited IRA proceeds to make payments to children over their lifetimes or a term of up to twenty years. But buying municipal bonds inside the CRT does not make those payments immediately tax-free. The IRA proceeds generally create accumulated ordinary income that must be distributed before the trust can pass through tax-exempt interest.
Jurisdiction: Federal, with a California income-tax note
Key authorities: Treas. Reg. § 1.664-1(d); T.D. 10001; PLR 199901023; Natalie B. Choate, Charitable Giving with Retirement Benefits, ¶ 7.5.05
Last reviewed: October 6, 2026
Category: Charitable Planning — CRT Design / Retirement Assets
A financial adviser recently asked me a practical question: Could a parent name a CRT as the beneficiary of an IRA, extend payments to the children beyond ten years, and then have the trustee invest in municipal bonds so those payments would be tax-free?
The question joins two different ideas. The longer payment period can work. The proposed immediate change in tax character does not. Natalie Choate addresses this exact municipal-bond proposal, and the governing rule is straightforward once the two transfers are separated.
This article assumes a fully pretax traditional IRA, planning completed before the owner’s death, and adult children who are not eligible designated beneficiaries. It is a focused companion to my broader article on naming a CRUT as the beneficiary of a traditional IRA.
There are two transfers, governed by different rules
First, the retirement account distributes to the CRT. Second, the CRT makes its prescribed payments to the children. The inherited-account rules govern the first transfer; § 664 governs the second.
The IRA proceeds are generally income in respect of a decedent, or IRD, under § 691. They do not receive the ordinary date-of-death basis adjustment. A qualifying CRT generally pays no federal income tax when it receives those proceeds, but the receipt retains its ordinary-income character for purposes of later distributions.
The CRT can then pay a child for life, or for a specified term of no more than twenty years, with the remainder passing to charity. A standard CRUT pays a percentage of its annually determined value. A CRAT pays a fixed annuity. Both require careful qualification testing, including the statutory payout limits and the minimum 10% actuarial charitable remainder.
That 10% is a qualification test at funding. It does not limit what charity may ultimately receive. If a lifetime beneficiary dies early, charity may receive most of the trust’s remaining assets.
The IRA itself has not acquired a new lifetime stretch
A conventional CRT with a charitable remainder generally is not a designated beneficiary for the inherited-account rules. If the IRA owner dies before the required beginning date, the five-year rule generally applies to distributions into the CRT. If death occurs on or after that date, the applicable rule generally uses the deceased owner’s remaining single life expectancy, subject to the account’s terms. The CRT may receive the proceeds faster.
Those rules are separate from the ten-year rule typically applicable to a directly inheriting adult child. Under the 2024 final RMD regulations, applicable beginning in 2025, that child generally must also take annual RMDs during the ten-year period if the owner died on or after the required beginning date. When the owner died before it, interim annual withdrawals generally are not required, but the account must still be emptied by the applicable deadline.
The CRT extends the child’s payment stream. It does not preserve the IRA itself for the child’s lifetime.
The four tiers determine what the child receives
Under § 664(b) and Treas. Reg. § 1.664-1(d), CRT payments carry out income in a prescribed order. The rules look to both current-year income and undistributed income accumulated in earlier years.
The basic distribution order
Tier 1: Ordinary income. The pretax IRA receipt generally enters this tier.
Tier 2: Capital gain. Available after ordinary income has been exhausted.
Tier 3: Other income, including tax-exempt interest. Municipal interest waits behind both higher tiers.
Tier 4: Corpus. Reached after the income tiers have been exhausted.
This is the basic ordering. The regulations also distinguish classes within categories; qualified dividends, for example, are separately tracked within the ordinary-income category.
Suppose the CRT receives $1 million from a fully pretax IRA and then buys municipal bonds. The purchase does not reverse the $1 million ordinary-income receipt. If those bonds produce $40,000 of exempt interest and the trust pays the child $50,000, the child’s payment can still be entirely ordinary income because that first tier remains available.
The trustee cannot choose to distribute the municipal interest first by tracing the payment to a particular bank account or coupon receipt. Tax character follows the statutory ordering.
Natalie Choate answers this exact question
In Charitable Giving with Retirement Benefits, ¶ 7.5.05(B), printed page 34, Choate considers reinvesting retirement-plan proceeds in tax-exempt bonds:
“This maneuver does not work.”
Natalie B. Choate, Charitable Giving with Retirement Benefits (2020-2), ¶ 7.5.05(B).
Her point is the ordinary-income carryover. It prevents an immediate conversion of retirement income into exempt distributions. It does not mean a CRT can never distribute tax-exempt interest. That can happen once the higher tiers have actually been exhausted.
A $1 million example: tax-free interest, taxable payments
Assume a qualifying lifetime CRUT receives a $1 million pretax IRA distribution, pays 5% of its beginning-of-year value at year-end, and earns exactly 4% annually in federally tax-exempt municipal interest. Assume no fees, taxable income, capital gains, price changes, defaults, or § 691(c) deduction, and that the beneficiary survives throughout the illustration.
The trust’s value declines by 1% each year because its 5% payout exceeds its 4% return. Its first-year payment is $50,000. The payment declines thereafter, while each ordinary-income distribution reduces the initial $1 million first-tier balance.
When the ordinary-income tier finally runs out
Year 1. Payment: $50,000. Ordinary income: $50,000. Tax-exempt interest: $0. Ordinary-income tier remaining after payment: $950,000.
Year 10. Payment: $45,676. Ordinary income: $45,676. Tax-exempt interest: $0. Ordinary-income tier remaining after payment: $521,910.
Year 20. Payment: $41,308. Ordinary income: $41,308. Tax-exempt interest: $0. Ordinary-income tier remaining after payment: $89,535.
Year 22. Payment: $40,486. Ordinary income: $40,486. Tax-exempt interest: $0. Ordinary-income tier remaining after payment: $8,153.
Year 23. Payment: $40,082. Ordinary income: $8,153. Tax-exempt interest: $31,929. Ordinary-income tier remaining after payment: $0.
Illustration only; dollars are rounded. Annual payment = $50,000 × 0.99year − 1. Lifetime qualification is assumed, not established by these investment assumptions. Actual payment dates, valuation provisions, expenses, and tax attributes change the results.
Every payment is entirely ordinary income for the first twenty-two years. Only during year twenty-three does part of a payment reach the accumulated exempt interest. A twenty-year CRT operating under the same assumptions would end without ever making a tax-exempt payment to the child.
This is an illustration of tax ordering, not a return forecast or proof that the CRT is economically inferior. A different payout, return pattern, or first-tier balance changes the exhaustion date. Realized gains can introduce another layer ahead of the exempt interest.
Does that make municipal bonds a bad investment?
Often, a large ordinary-income balance makes the usual case for munis weaker. Accepting a lower yield may reduce trust returns without reducing the tax on the current payment. A tax-equivalent-yield calculation that assumes the child immediately receives exempt interest misses the distribution rules.
But munis also avoid adding new taxable interest to the ordinary tier. They may become more useful as the higher tiers approach exhaustion. The appropriate comparison models the actual portfolio returns, fees, tier balances, family payments, and charitable remainder over time.
Nor is a CRT needed merely to diversify an IRA. Securities can generally be sold and replaced inside the IRA without current income tax on each transaction. The distinctive planning benefit here is the combination of extended payments and a charitable remainder.
California note. Federal tax exemption does not automatically determine the state result. California generally taxes interest on other states’ municipal obligations; see FTB Publication 1001. Trust residence, beneficiary residence, and the particular obligations require separate review.
The benefits are real but not without a charitable commitment.
What the family gains—and what the plan requires
Payments may continue beyond ten years. The child receives the prescribed payment interest; the remainder is committed to charity.
Retirement proceeds generally enter the CRT without immediate federal income tax at the trust level. The ordinary-income character carries into later beneficiary distributions.
A controlled payment stream may support a child over many years. A standard CRT cannot provide discretionary extra principal for a house, emergency, or business opportunity.
A CRUT lets payments participate in portfolio growth. Payments can decline when asset values decline; expenses reduce returns.
A qualifying charitable remainder can generate an estate-tax deduction. The deduction covers the actuarial charitable interest, not the entire IRA.
The strongest candidates have meaningful charitable intent and value long-term, controlled family support. The analysis is more difficult when the overriding goal is to maximize the wealth ultimately available to children and grandchildren.
A child who inherits directly can reinvest after-tax withdrawals and leave the remaining investments to descendants. A lifetime CRT beneficiary generally cannot leave the CRT’s remaining fund to descendants when that measuring life ends. Early death can therefore produce a very different family result; long survival can improve the CRT comparison.
Choate’s post-SECURE Act outline, Part III.4, discusses useful charitable and family-control applications. Jeffrey Levine’s analysis at Kitces.com emphasizes the economic comparison and the importance of survival. Earlier economic studies should be updated for current RMD rules and the family’s actual tax assumptions.
Three tax details that can change the comparison
1. The estate-tax deduction for IRD needs its own calculation
For an estate that owes federal estate tax attributable to retirement income, § 691(c) may provide a related income-tax deduction. Routing the proceeds through a CRT changes how that benefit operates.
In PLR 199901023, involving retirement-plan proceeds payable to a children’s CRUT, the IRS treated the deduction as reducing the trust’s first-tier income; it did not pass the deduction directly to the individual beneficiaries. If a correctly calculated $300,000 deduction applies to a $1 million receipt, the starting ordinary tier would be $700,000.
That can accelerate exhaustion of the ordinary tier, but it is not equivalent to giving the child a direct deduction against the child’s distributions. The economic benefit may arrive late or fail to reach the child. Choate discusses this at ¶ 7.5.05(C), and Christopher Hoyt also flags the issue. The amount must reflect the actual estate-tax computation, including the charitable deduction.
The PLR illustrates the IRS’s analysis; it is not binding precedent for other taxpayers. See § 6110(k)(3).
2. Ordinary income does not automatically mean an extra 3.8% tax
Qualified retirement distributions are excluded from net investment income. Under the standard CRT category-and-class approach, the retirement-income component is tracked separately from investment income generated after funding. New taxable interest, dividends, and gains may create exposure to the net investment income tax; the IRA-origin component is not automatically subject to it merely because it passes through the CRT. Excluded retirement income can still increase modified adjusted gross income and expose other investment income to the tax.
See Treas. Reg. § 1.1411-3(d) and § 1.1411-8. The 2025 Form 5227 instructions also permit an irrevocable simplified NIIT calculation election under proposed § 1.1411-3(d)(3); that paragraph remains reserved in the final regulation. The election can change distribution assignments. Check the actual filing year’s guidance before choosing a method.
3. A lifetime QCD to a split-interest trust is a different provision
The special lifetime qualified charitable distribution provision in § 408(d)(8)(F) does not supply an alternative route for the children’s plan described here. Its permitted income beneficiaries are limited to the IRA owner and spouse, and distributions from the qualifying CRT are treated as ordinary income. It should not be confused with naming a CRT as beneficiary at death.
Practice notes: model the family’s actual alternatives
Before recommending an IRA-funded CRT, I would want the comparison to address five questions:
What would a direct beneficiary actually do? Compare against intelligently timed ten-year withdrawals, including any interim RMDs, and reinvestment of after-tax proceeds. An assumed maximum-tax withdrawal in year ten can make a CRT look artificially attractive.
How much should be committed to charity? A partial IRA allocation may meet the charitable and support goals while preserving flexible assets for the family. Show charitable value separately from family wealth.
What happens with early death, long life, weak returns, or higher fees? Show after-tax cash received and wealth available to descendants at multiple dates. Do not count the CRT’s remaining balance as the child’s inheritable asset.
Are the structure and funding mechanics sound? Coordinate the beneficiary designation, trust qualification, payout terms, custodian requirements, and estate liquidity before death. A child’s later assignment of an inherited IRA is a different transaction and may trigger income under § 691(a)(2).
Would another arrangement serve the goals better? Consider partial Roth conversions during the owner’s life, leaving retirement assets directly to charity and other assets to heirs, or using a conventional trust for control while accepting its income-tax costs.
A NIMCRUT may change payment timing, but it does not eliminate the four-tier rules. Trust accounting income, which limits a NIMCRUT’s payment, is a different concept from the federal tax character assigned to that payment. Likewise, putting retirement proceeds and appreciated securities into the same CRT can cause the IRA-created ordinary tier to delay access to capital-gain treatment associated with the other assets.
Investment selection also needs the usual CRT screens. Under § 664(c)(2), unrelated business taxable income produces an excise tax equal to that income. It is inaccurate to describe the modern rule simply as loss of the trust’s entire income-tax exemption.
The adviser’s municipal-bond question is therefore best answered in two steps: establish whether the family wants the charitable commitment and extended payment structure, then model the portfolio within the tax tiers that the IRA funding actually creates.
Authorities and further reading
The following sources provide the governing rules and useful analysis beyond the regulations.
CRT qualification and distribution character. IRC § 664; Treas. Reg. § 1.664-1, particularly (d); Treas. Reg. § 1.664-3. For the CRAT exhaustion issue and a qualified-contingency provision, see Rev. Proc. 2016-42.
Inherited-account timing. T.D. 10001, 89 Fed. Reg. 58886 (July 19, 2024); Reg. § 1.401(a)(9)-3, -4, -5, and § 1.408-8.
IRD and estate-tax treatment. IRC § 691; § 1014(c); § 2055(e)(2)(A); PLR 199901023 (October 8, 1998). The PLR is nonprecedential.
Natalie B. Choate, Charitable Giving with Retirement Benefits (2020-2). ¶ 7.5.05(B), printed p. 34, directly addresses municipal bonds; ¶ 7.5.05(C), pp. 34–35, addresses the IRD deduction. The surrounding CRT discussion is at ¶¶ 7.5.04–7.5.07.
Natalie B. Choate, Estate Planning for Retirement Benefits in a Post-SECURE World (December 2021). Part III.4, printed pp. 28–30, presents CRT planning applications and family-control considerations.
Christopher R. Hoyt, Can a CRT Stretch an Inherited IRA? (2022 outline). Part III.I, printed pp. 17–20, discusses tier accounting, municipal investments, NIIT, and estate-tax complications.
Jeffrey Levine, Kitces.com (July 28, 2021). “Can A Charitable Remainder UniTrust (CRUT) Truly Replace The Benefits Of The ‘Stretch’ IRA?” A detailed economic comparison; update historical RMD assumptions when applying it today.
Considering a CRT for retirement assets?
The useful comparison puts the proposed trust beside the family’s actual inheritance alternatives, including taxes, payment needs, longevity, and the charitable remainder.
Related reading: Naming a CRUT as the beneficiary of a traditional IRA · NICRUT or NIMCRUT? When the makeup account actually works
This article provides general educational information, not legal, tax, or investment advice for any particular person. Trust qualification, beneficiary designations, investment choices, and tax consequences require review of the governing documents and individual facts. Illustrations are hypothetical and do not predict investment results.
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