IRS Extends Estate Tax Portability Election Window to Five Years for Qualifying Estates

The Internal Revenue Service (IRS) has significantly extended the window for surviving spouses to claim a deceased spouse’s unused estate tax exemption (DSUE) by issuing Revenue Procedure 2022-32, effective July 8, 2022. This new guidance allows executors of estates that were not otherwise required to file a federal estate tax return (Form 706) to elect portability of the DSUE amount for up to five years after the date of the first spouse’s death. This critical change provides a much-needed reprieve for families who may have inadvertently missed previous, shorter deadlines, potentially preserving millions in tax exemptions.

Prior to this revenue procedure, the portability election was generally required within nine months of the decedent’s date of death, with a possible six-month extension. For estates not otherwise required to file Form 706, a two-year window had been established under a previous revenue procedure (2017-34). Missing these deadlines meant the surviving spouse would typically forfeit the DSUE, unless they pursued an expensive and lengthy private letter ruling (PLR) from the IRS, which could cost upwards of $30,000 and take many months to obtain, with no guarantee of approval.

For small and mid-sized business owners, understanding and acting on these estate tax provisions is paramount, yet often overlooked until it’s too late. We consistently see clients focused on the day-to-day operations and growth of their businesses, leaving comprehensive estate planning on the back burner. The reality is that an unexpected death can leave a surviving spouse facing a substantial future estate tax liability if the DSUE is not properly claimed. This extension by the IRS is a welcome development, as it dramatically simplifies and reduces the cost of correcting a missed election. However, it’s not a passive benefit; it still requires the affirmative step of filing Form 706, even when no tax is due. This is precisely the kind of complex, high-stakes situation where proactive guidance is indispensable. Our team at C&S Finance Group LLC specializes in tax preparation and compliance, helping clients navigate these intricate rules to protect their family’s financial future. We encourage anyone who believes they might be affected to contact C&S Finance Group LLC at csfinancegroup.com to assess their situation and ensure they don’t miss this critical opportunity.

The core issue addressed by Rev. Proc. 2022-32 stems from a common oversight: many estates with values below the federal filing threshold do not file Form 706 because no estate tax is owed. Unbeknownst to them, this inaction can lead to the forfeiture of the deceased spouse’s unused exemption, which could be worth over $15 million given current exemption levels. For instance, if a spouse died on June 1, 2022, and their estate was below the filing threshold, the original nine-month deadline to elect portability would have been March 1, 2023. If no Form 706 was filed, the DSUE would have been lost under prior rules, absent a PLR.

Under the new procedure, if an advisor identifies this missed election in 2026, the executor can now retroactively file Form 706 any time before June 1, 2027 (five years after death) to capture the DSUE. This relief is automatic, eliminating the need for a costly PLR, which makes it dramatically cheaper and faster than the prior path. The DSUE captured through this late filing is computed under the law in effect at the original date of death, ensuring the benefit reflects the exemption amount available at that time.

This extension is particularly impactful for surviving spouses whose financial circumstances change unexpectedly, such as through a subsequent inheritance or significant asset appreciation, potentially pushing their own estates above the federal estate tax exemption threshold. Without the DSUE, their estates could face substantial tax burdens that could have been avoided. The portability election is widely considered one of the most consequential, yet frequently missed, elections in estate planning.

Executors and surviving spouses of individuals who died after 2010 and whose estates were not otherwise required to file a Form 706 should review their situations carefully. While the relief is automatic, it still necessitates the proactive step of preparing and filing Form 706 within the new five-year window. Failure to do so will result in the permanent loss of the DSUE amount.

Moving forward, businesses and individuals should anticipate increased awareness campaigns by tax professionals regarding this extended portability election. It underscores the ongoing need for meticulous estate planning and timely engagement with financial advisors to ensure all available exemptions are properly claimed, safeguarding generational wealth against unforeseen tax liabilities.