IRS Escalates Legal Battle Over COVID-Era Refund Deadlines: The Kwong Appeal and Its Far-Reaching Implications

The Internal Revenue Service (IRS) has officially signaled its intent to challenge a landmark judicial interpretation that could potentially unlock billions of dollars in tax refunds for millions of Americans. By filing a notice of appeal in the case of Kwong v. United States (179 Fed. Cl. 382 (2025)), the government has initiated a high-stakes legal showdown in the U.S. Court of Appeals for the Federal Circuit. At the heart of the dispute is whether the COVID-19 disaster declaration, under Section 7508A(d) of the Internal Revenue Code, triggered an automatic, broad extension of filing deadlines for tax refunds—a move that could effectively reset the clock on the statute of limitations for tax years 2019 through 2022.

While the IRS maintains a restrictive interpretation of its statutory authority, tax professionals and the National Taxpayer Advocate are urging caution, noting that the legal landscape remains highly volatile. For many taxpayers, the ambiguity surrounding this case presents a narrow, time-sensitive window to file protective claims.

The Kwong Ruling: A Summary of the Judicial Conflict

The crux of the Kwong decision, handed down by the Court of Federal Claims, hinges on a statutory interpretation of Section 7508A(d). Enacted as part of the broader legislative response to the pandemic, this provision was designed to provide the Treasury Secretary with tools to assist taxpayers during declared disasters.

In Kwong, the court held that the language within the statute did more than merely grant discretionary power to the Treasury; it created a mandatory suspension of filing and payment deadlines during the identified COVID-19 disaster period. Specifically, the court ruled that the period between January 20, 2020, and July 10, 2023, could be disregarded when calculating standard statutory deadlines.

For the average taxpayer, this ruling suggests that the typical three-year window for claiming a refund—which is usually strictly enforced—might have been extended by the duration of the pandemic disaster period. If upheld on appeal, this interpretation would invalidate the IRS’s current rejection of refund claims that were filed outside the traditional "three-year lookback" period, potentially creating a significant financial liability for the federal government.

Chronology: From Pandemic Relief to Appellate Review

The evolution of this legal conflict has been marked by a tug-of-war between judicial oversight and administrative discretion.

• January 20, 2020: The start date of the COVID-19 disaster declaration, which serves as the anchor point for the argument regarding the suspension of tax deadlines under Sec. 7508A(d).
• 2024: The Tax Court rules in Abdo v. Commissioner (162 T.C. 148), where the government first signaled its narrow interpretation of the statute, arguing that the Treasury Secretary retains full discretion over which deadlines are postponed and for how long, rather than the postponement being an automatic statutory event.
• 2025: The Court of Federal Claims issues its decision in Kwong, siding with the taxpayer and asserting that the suspension was automatic and broader in scope than the IRS had previously acknowledged.
• June 2026: The IRS files its notice of appeal to the U.S. Court of Appeals for the Federal Circuit, challenging the Kwong decision.
• July 10, 2026: A critical "soft deadline" for taxpayers. The National Taxpayer Advocate has suggested that taxpayers concerned about their eligibility for refunds should consider filing protective claims by this date to preserve their rights while the courts resolve the underlying legal disputes.
• July 20, 2026: The official deadline for the IRS to file its opening brief in the Kwong appeal, which will provide the first comprehensive look at the government’s legal strategy in the appellate court.

Supporting Data and the "Statute of Limitations" Dilemma

The significance of the Kwong case cannot be overstated, particularly regarding the standard three-year statute of limitations for filing claims for credit or refund. Generally, under Section 6511, a claim for credit or refund of an overpayment of any tax must be filed within three years from the time the return was filed or two years from the time the tax was paid, whichever expires later.

The Kwong decision effectively posits that the "disaster period" acts as a tolling mechanism. If a taxpayer was entitled to a refund for the 2020 tax year, the standard deadline would typically have been April 2024. Under the Kwong interpretation, the time between January 2020 and July 2023 is effectively removed from the calendar for the purpose of calculating that three-year limit.

This creates a scenario where a taxpayer who failed to file a 2020 return (perhaps due to economic hardship or pandemic-related disruptions) might still be within their rights to claim a refund well into 2026. However, the IRS’s counter-argument is based on the premise that Section 7508A(d) is a tool of administrative grace, not a self-executing statutory extension. The IRS contends that because it did not issue specific guidance extending the statute of limitations for refund claims during that window, the traditional deadlines remain in full force.

Official Responses: The National Taxpayer Advocate’s Stance

National Taxpayer Advocate Erin Collins has emerged as a central figure in interpreting these developments for the public. In a blog post published in June 2026, Collins emphasized the need for taxpayers to be proactive while simultaneously warning against over-reliance on the Kwong decision.

"Similar issues are being raised in pending litigation," Collins noted. "Future court decisions could expand, narrow, distinguish, or reject aspects or implications of Kwong. Taxpayers should carefully evaluate their individual circumstances before filing claims based on the court’s reasoning."

Collins’ guidance is nuanced. She distinguishes between the legal certainty of the law (which she describes as "unsettled") and the practical necessity of protecting one’s financial interests. By advising taxpayers to consider filing by July 10, 2026, she is providing a strategy for "protective filing"—a method used to keep a claim alive in the eyes of the IRS while waiting for a final, authoritative court ruling. If the taxpayer does not file a protective claim, and the courts eventually rule in favor of the taxpayer’s interpretation, that taxpayer may be barred from receiving their refund because they failed to meet the procedural requirements to preserve the claim.

Implications for Taxpayers and Future Litigation

The ramifications of Kwong extend far beyond simple refunds for withheld taxes. If the broader interpretation holds, it could impact:

1. Refundable Credits

Taxpayers who failed to claim the Earned Income Tax Credit (EITC) or the Child Tax Credit (CTC) for the 2020-2022 period due to the belief that the statute of limitations had passed may find themselves eligible for retroactive relief.

2. Stimulus Payments

The complexity of the various economic impact payments (stimulus checks) tied to 2020 and 2021 tax returns remains a point of contention. The Kwong ruling could theoretically open the door for taxpayers to claim "recovery rebate credits" that they previously missed.

3. Penalties and Interest

As the original Kwong case centered on these charges, a final victory for the taxpayer would mean the IRS would be forced to refund interest and penalties that were assessed during the period the court deems "disregarded."

4. Administrative Burden

The IRS faces a significant operational hurdle. If the courts rule broadly in favor of taxpayers, the agency will need to process a massive influx of amended returns and protective claims, potentially straining already stretched administrative resources.

Conclusion: A Strategy for Uncertainty

The battle over the Kwong decision is a quintessential example of how the intersection of emergency legislation and tax law creates years of litigation. While the IRS is firmly committed to a narrow interpretation of Section 7508A(d), the judicial system has shown a willingness to explore a more expansive, taxpayer-friendly reading.

For the individual taxpayer, the current climate dictates a "better safe than sorry" approach. Filing a protective claim—provided it is done with professional guidance and an understanding of one’s specific tax history—may be the only way to ensure that, should the Federal Circuit uphold the Kwong logic, the door to a refund remains open. As the July 20 deadline for the IRS’s appellate brief approaches, the legal community will be watching closely to see if the government provides a more compelling textual analysis to dismantle the logic that has currently placed them on the defensive.

Taxpayers are encouraged to monitor future updates from the National Taxpayer Advocate and consult with a tax professional to determine if their specific filing history warrants the submission of a protective claim before the mid-July milestones.