Heirs can redirect IRA taxes with 1 simple disclaimer tool

A little-known estate planning tool called a disclaimer is offering families a second chance at tax optimization on large inherited IRAs, allowing the primary heir to pass the asset to lower-taxed beneficiaries within nine months of the original owner's death.

"Disclaimers are a great way to provide flexibility for making smart decisions after a death," says Diane Thompson, an attorney with Pender & Coward who has worked on about 1,000 disclaimers.

For a non-spousal beneficiary, the law typically requires emptying an inherited traditional IRA within 10 years, with all withdrawals taxed as ordinary income. A large lump-sum withdrawal can push an heir into a higher tax bracket. By disclaiming, a high-earning heir can pass the IRA to a lower-earning child, reducing the overall tax impact on the family.

The strategy's value has grown as diligent saving and market performance have swelled traditional IRA balances. Forcing withdrawals can trigger higher Medicare surcharges and reduce deductions. A disclaimer allows families to redirect the inheritance based on current tax situations, long after the original estate plan was made.

A disclaimer is a formal legal renunciation of an asset. For it to be valid under federal law, the heir must file the disclaimer within nine months of the owner's death and must not have benefited from the asset in any way, such as by using dividends. The decision is irreversible. While an heir can disclaim specific assets, like a portion of shares in a fund, they cannot direct who receives the disclaimed property. The asset automatically passes to the next person in line, as designated by the original owner's beneficiary form or by state law.

This makes naming contingent, or secondary, beneficiaries a critical part of the initial estate planning. For example, a primary beneficiary in their 50s and peak earning years could disclaim an IRA, allowing it to pass directly to their young-adult children who are in a lower tax bracket. Even if the amount exceeds the annual gift-tax exclusion, no gift tax is incurred because the asset was never legally theirs. The children would still be bound by the 10-year withdrawal rule, but their lower income tax rate would result in significant family savings.

The rules differ for spousal beneficiaries, who have the unique option to roll an inherited IRA into their own, delaying required minimum distributions (RMDs) until they reach their own retirement age. For others, RMDs begin at age 73 and can create a significant tax drag, starting at 3.8% of the account value and rising to 8.2% by age 90. Using a disclaimer can be a powerful tool to mitigate these forced, taxable withdrawals across generations.

This article is for informational purposes only and does not constitute investment advice.