The deadline for taxpayers who received an extension to file their 2024 tax returns remains Wednesday at 11:59 p.m. despite the federal government shutdown.

Last week’s furloughing of nearly half of the Internal Revenue Service’s staff didn’t alter the filing deadline, the agency said in a contingency plan on its website.

“Due to the lapse in appropriations, most IRS operations are closed,” states a memo to agency employees . However, the underlying tax law remains in effect, and taxpayers must meet their tax obligations.

Joseph J. Perry, a Melville-based national leader of tax services for CBIZ, said Tuesday, "Just because the government has shut down, collecting taxes and generating revenue has not."

About 20 million taxpayers, or 13% of the total, are facing Wednesday’s deadline

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