Congress passes bill requiring IRS to clarify math error notices

October 24, 2025

The U.S. Senate passed a bill on Monday, Oct. 20, that, among other changes, requires the IRS to provide taxpayers with details on notices related to mathematical or clerical errors.

Other changes in the Internal Revenue Service Math and Taxpayer Help Act include that the IRS send a notice related to an abatement of taxes assessed due to a math or clerical error; provide procedures for requesting such an abatement; and implement a pilot program for sending notices of a math or clerical error.

The bill, which the House approved earlier this year, now goes to President Donald Trump to be signed into law.

The AICPA, which endorsed the legislation when it was introduced, said the changes in the bill would enhance IRS operations and improve the taxpayer experience. Read more.

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