IRS Rules on Segregation and Distribution of Inherited IRA Assets Among Beneficiaries

IRS Greenlights Segregation of Inherited IRA for Multiple Beneficiaries

The IRS confirmed in a Private Letter Ruling (PLR) that an inherited IRA can be divided into separate accounts for multiple beneficiaries without triggering immediate tax consequences. This allows each beneficiary to use their own life expectancy for required minimum distribution (RMD) calculations, avoiding the less favorable "oldest beneficiary" rule. While PLRs are non-precedential, this guidance provides clarity for families with multiple IRA heirs.

The Facts: Decedent's IRA and the Beneficiaries' Dilemma

The decedent owned IRA X, a traditional IRA. The decedent had reached the age requiring required minimum distributions (RMDs) under Section 401(a)(9) before death. With no beneficiary designation, the estate became the default beneficiary.

The decedent’s will named three children—Taxpayer A, Taxpayer B, and Taxpayer C—as equal beneficiaries of the residuary estate, including IRA X. After the decedent’s death, a court in State S admitted the will to probate and appointed Taxpayer A as executor. The executor proposed dividing IRA X into three equal portions via trustee-to-trustee transfers to separate inherited IRAs, as defined in Revenue Ruling 78-406. Each inherited IRA would be titled as “Decedent (Deceased) IRA f/b/o [Beneficiary’s Name] as beneficiary of Decedent's estate.”

The inherited IRAs would follow RMD rules under Section 401(a)(9), with distributions based on the decedent’s remaining life expectancy if the original owner died after the required beginning date.

The Request: Can the IRA Be Divided Among Beneficiaries?

The taxpayer sought four rulings to confirm compliance with tax law for dividing an inherited IRA among multiple beneficiaries. Improper segregation could trigger taxable distributions or accelerate RMDs under Section 401(a)(9).

The taxpayer requested confirmation of:

1. Segregation for RMD Purposes: Whether each beneficiary’s share could be segregated into separate accounts to calculate individual RMDs under Section 401(a)(9), avoiding the "oldest beneficiary" rule.
2. Inherited IRA Status: Whether segregated accounts, titled in the decedent’s name for each beneficiary and funded via trustee-to-trustee transfers, would qualify as inherited IRAs under Section 408(d)(3).
3. RMD Calculation Method: Whether beneficiaries could use the decedent’s remaining life expectancy for RMDs under Section 401(a)(9).
4. Tax-Free Transfer: Whether transfers to individual inherited IRAs would avoid taxable distribution treatment under Section 408(d)(1).

IRS Analysis: Why the Beneficiaries Prevailed

The IRS granted four pivotal rulings that allowed the beneficiaries to segregate the inherited IRA without triggering taxable events or accelerating distributions. Each ruling hinged on precise compliance with IRS regulations governing inherited IRAs, separate accounting, and trustee-to-trustee transfers. Below is the IRS’s legal reasoning, distilled into actionable insights for practitioners.

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1. Segregation of Beneficiary Interests for RMD Calculation

The IRS ruled that beneficiaries’ shares of the decedent’s IRA could be segregated into separate inherited IRAs, allowing each beneficiary to use their own life expectancy for RMD calculations under § 401(a)(9) and § 1.401(a)(9)-8(a)(1)(i). The segregation must occur by December 31 of the year following the decedent’s death.

The IRS confirmed the segregation was valid because:

• Transfers were completed via trustee-to-trustee transfers, preserving tax-deferred status.
• Separate IRAs were titled in the decedent’s name for the benefit of each beneficiary, meeting § 408(d)(3) requirements.

Failure to segregate by the deadline forfeits the tax-saving benefit of individualized RMD calculations.

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2. Inherited IRA Status of Segregated Accounts

The IRS confirmed segregated accounts qualified as inherited IRAs under § 408(d)(3) because:

• Transfers were trustee-to-trustee, avoiding constructive receipt.
• Accounts were titled in the decedent’s name for the benefit of each beneficiary, meeting § 408(d)(3)(C) requirements.
• Beneficiaries were designated individuals, not the estate or non-qualifying entities.

Proper titling and direct transfers are essential to avoid taxable distribution treatment.

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3. Distribution Schedule Based on Decedent’s Remaining Life Expectancy

The IRS ruled beneficiaries could use the decedent’s remaining life expectancy for RMDs under § 401(a)(9)(B)(ii) if the decedent died after the required beginning date (RBD). This approach delays distributions and reduces annual taxable income.

The ruling applies only if:

• The decedent died after the RBD.
• Accounts are properly segregated.

Beneficiaries of decedents who died before the RBD are subject to the 10-year rule under the SECURE Act.

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4. Tax-Free Transfer Treatment

The IRS ruled transfers from the estate’s IRA to individual inherited IRAs were not taxable events because:

• Transfers were trustee-to-trustee, exempt from § 408(d)(1)’s taxable distribution rules.
• Segregated accounts qualified as inherited IRAs under § 408(d)(3)(C), exempting them from rollover restrictions.

Trustee-to-trustee transfers are the safest method to preserve tax-deferred status.

Key Legal Concepts

The IRS’s ruling relied on four foundational legal concepts:

1. Designated Beneficiary: Only individuals qualify as designated beneficiaries under § 401(a)(9)(E)(i), determining permissible RMD methods.
2. Separate Accounting Rules: Multiple beneficiaries can use their own life expectancies for RMDs if accounts are divided by December 31 of the year following the decedent’s death (§ 1.401(a)(9)-8(a)(1)(i)).
3. Trustee-to-Trustee Transfers: Exempt from taxable distribution treatment under Revenue Ruling 78-406, preserving tax-deferred status.
4. Single Life Table: Used for RMD calculations under § 1.401(a)(9)-9(b) for designated beneficiaries.

Implications

This PLR clarifies the IRS’s stance on segregating inherited IRAs for multiple beneficiaries, reinforcing the need for precise beneficiary designations and timely account division. Taxpayers with multiple beneficiaries should divide IRAs into separate shares by December 31 of the year following the decedent’s death to allow individualized RMD calculations.

Key takeaways:

• Tax Efficiency: Segregation allows each beneficiary to tailor RMD schedules to their financial needs.
• Deadline Compliance: Failure to segregate by the deadline may force use of the oldest beneficiary’s life expectancy.
• Trustee-to-Trustee Transfers: Essential for preserving tax-deferred status during account division.

While PLRs are non-precedential, this ruling signals the IRS’s interpretive stance on inherited IRA segregation.

Key Compliance Steps

Practitioners should:

1. Review beneficiary designations to ensure compliance with § 401(a)(9)(E)(i) and § 1.401(a)(9)-4 for trusts.
2. Calculate RMDs using the correct life expectancy tables (Single Life Table for EDBs, 10-year rule for others).
3. Title inherited IRAs properly (e.g., "John Doe IRA (deceased 1/1/2026) FBO Jane Doe").
4. Document trustee-to-trustee transfers under Revenue Ruling 78-406.
5. Divide IRAs into separate accounts by December 31 of the year following the decedent’s death.