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Our Inherited IRA 10-Year Rule guide covers how most non-spouse beneficiaries must empty an inherited account within 10 years. What it doesn’t cover: five specific categories of beneficiary the SECURE Act carved out as exceptions to that rule entirely – and getting classified into one of them can be worth decades of extra tax deferral.

The Five Eligible Designated Beneficiary Categories

An “eligible designated beneficiary” (EDB) is one of: a surviving spouse, a minor child of the account owner (until they turn 21, not their whole minority), a disabled individual, a chronically ill individual, or any individual not more than 10 years younger than the deceased account owner. Anyone in these five categories is exempt from the 10-year rule and can instead use the old life-expectancy “stretch” method – taking smaller required distributions spread across their own actuarial life expectancy.

The Minor Child Exception Has a Trap

A minor child of the original account owner is an EDB only until they turn 21 – at that point, the 10-year clock starts running, meaning the account must be fully emptied by the time they turn 31. This is a narrower window than people assume; the exception isn’t “stretch forever,” it’s “stretch delayed until age 21, then 10 years.” It also only applies to the deceased owner’s own minor child – a minor grandchild or other minor relative doesn’t qualify under this specific category.

Disabled and Chronically Ill: Real IRS Definitions, Not Self-Declared

“Disabled” and “chronically ill” for this purpose use specific IRS definitions (generally aligned with the Social Security disability standard and, for chronic illness, an inability to perform a threshold number of activities of daily living without substantial supervision) – not a beneficiary’s own assessment of their health. Documentation supporting the classification should be obtained and kept at the time of inheritance, since the custodian and IRS may require proof of the status.

The “Not More Than 10 Years Younger” Category

A sibling close in age, a same-age life partner, or even a friend named as beneficiary can qualify as an EDB purely based on the age gap – if the beneficiary is not more than 10 years younger than the deceased owner, they qualify regardless of any family or marital relationship. This is the exception people are least likely to know exists, since it has nothing to do with disability, illness, or family status.

What Happens If You Don’t Qualify

Everyone outside these five categories – adult children more than 10 years younger, grandchildren, most other relatives and friends – falls under the standard 10-year rule, and within it, the further split our existing guide covers: whether annual RMDs are also required during years 1-9, depending on whether the original owner had already reached their Required Beginning Date.

The Bottom Line

Before assuming an inherited IRA is locked into the 10-year rule, check whether the beneficiary fits one of the five EDB categories – especially the not-more-than-10-years-younger category, which has no relationship requirement and gets overlooked more than the others. Getting this classification wrong with a custodian can mean unnecessarily accelerating a tax bill that could have legally been spread across decades.

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