(The Center Square) – The IRS processed nearly 139 million returns in 2026, but millions of taxpayers still faced refund delays, identity theft backlogs and phone lines they couldn't reach, National Taxpayer Advocate Erin Collins said.

Collins, who leads an independent watchdog office within the IRS, said the agency "performed better than expected in most respects" during the filing season but added that "taxpayers who required assistance from the IRS often struggled to get it."

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