The Internal Revenue Service paid about $124.2 million in interest to identity-theft victims whose refunds sat frozen while their cases worked through the agency’s system, according to a federal audit covering three fiscal years. The Treasury Inspector General for Tax Administration published the figure on September 21, drawing it directly from cases the IRS itself closed between fiscal year 2023 and fiscal year 2025. Interest accrues automatically once the IRS holds a refund past its own deadline, so the payout is not a bonus the agency chose to offer; it is the legally required cost of taking too long. It also lands squarely on the taxpayer side of the ledger: the same delay that frustrates a household waiting on its refund is quietly costing the Treasury money it would not owe if cases moved faster.
Why the IRS Pays Interest on a Late Refund
Federal law requires the IRS to pay interest on a refund it fails to issue within a set window after a return is filed or a case is resolved, the same rule that applies whether the delay comes from an ordinary processing backlog or, as in these cases, from sorting out who actually owns a stolen Social Security number. That interest is not a courtesy; the agency owes it automatically once the clock runs out, and it keeps accruing for as long as the identity-theft case stays open. The requirement traces back to the general interest-on-refunds rule that applies to any overdue federal refund, not a special provision written for identity theft alone; identity theft simply produces enough delay to make the interest add up. This interest also builds only after a case finally closes and the return’s true numbers are set, so a case sitting open for months is not accruing interest on a guess but on whatever refund amount the IRS eventually determines was owed all along. The Treasury Inspector General for Tax Administration’s September 21 report put the total for these cases at approximately $124.2 million paid out on identity-theft cases the IRS closed from fiscal year 2023 through fiscal year 2025, a bill covering three fiscal years of cases rather than one snapshot in time.
The interest attached to a stalled refund: Money the IRS holds past its own deadline collects interest automatically, and that interest shows up as its own line on a return the following spring, separate from the refund it came from. Read the refund-trace steps for Form 3911 in The IRS Refund Recovery Kit.
$124.2 Million Across Three Fiscal Years
The audit broke the total down year by year: interest payments on closed identity-theft cases ran to about $17.1 million in fiscal year 2023, $45.5 million in fiscal year 2024, and $61.5 million in fiscal year 2025, according to the same report. Each year’s total is larger than the one before it, tracking a case-processing time that TIGTA separately measured at roughly 20 months on average across the same three years. A three-year total built mostly from a rising middle and final year suggests the interest bill kept climbing even as the report’s separate accounting showed the IRS’s open-case inventory getting smaller, a mismatch the audit does not fully explain. The IRS does not choose how much interest to pay any more than it chooses how long a case takes; the dollar figure simply follows from how many cases closed and how late each one ran.
What the $124.2 Million Does Not Include
The figure covers only interest paid on identity-theft cases that closed through the IRS’s Identity Theft Victim Assistance function between fiscal year 2023 and fiscal year 2025; it says nothing about interest paid on refunds delayed for other reasons, such as ordinary processing backlogs or math-error reviews that have nothing to do with a stolen identity. It also excludes any identity-theft cases still open at the end of fiscal year 2025, since interest on those cases had not yet been calculated or paid when the audit closed its books. A more complete total, if TIGTA or the IRS ever compiled one, would likely run higher once every open case eventually settles and its own interest gets added to whatever refund was due all along.
What Happens to the Interest a Taxpayer Receives
The interest a taxpayer collects on a delayed refund does not disappear once it lands in an account; it counts as taxable income for the year it arrives, separate from the refund itself. The IRS’s own guidance on interest income states that interest is taxable in the year it becomes available to the person receiving it, whether or not a Form 1099-INT ever shows up in the mail, and a taxpayer who never gets that form still has to report the interest. That reporting duty applies regardless of how frustrating the underlying case was, since the tax code treats interest income the same way no matter why the IRS ended up owing it. Someone who waited years for an identity-theft case to close and finally received both a refund and its accumulated interest has to account for that interest correctly the following spring, on top of everything else the case already cost in time.
A Cost the IRS Itself Tracks Closely
TIGTA’s own role explains why this number exists at all: the office published the identity-theft report as one of two audits it issued on September 21, part of its ongoing job of putting a dollar figure and a timeline on how IRS programs actually perform rather than how they are supposed to perform. A $124.2 million interest bill over three years is the office’s own measure of what slow case processing costs the government, distinct from whatever it costs an individual household in the meantime. The report ties that cost directly to the same identity-theft caseload TIGTA reviewed for timeliness, closing the loop between how long a case takes and what the delay is worth in dollars.
Refund Interest, Taxable the Same Year It Arrives
The refund interest the IRS paid out on identity-theft cases does not end the paperwork for the households who received it; that interest is reportable income, tracked on its own IRS form, for the year it lands in an account. A household that already waited years for a refund still has to account for the extra dollars correctly the following tax season.
The IRS Refund Recovery Kit includes the refund-trace steps for Form 3911 and a refund status tracker spreadsheet, built for following a specific refund from a frozen account through to a closed case and the paperwork it leaves behind.
Look up the refund-trace steps in The IRS Refund Recovery Kit.
This article was produced with AI assistance and reviewed by a human editor. Each figure links back to the government report where it was published.
