What it does
SourcedInternal Revenue Service Math and Taxpayer Help Act
This act requires the Internal Revenue Service (IRS) to provide specific information on a notice related to a math or clerical error, 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.
Under the act, a notice sent by the IRS regarding a math or clerical error must include
• a clear description of the error, including the type of error and the specific federal tax return line on which the error was made;
• an itemized computation of adjustments required to correct the error;
• the telephone number for the automated transcript service; and
• the deadline for requesting an abatement of any tax assessed due to the error.
Further, the act requires the IRS to send a notice related to an abatement of tax assessed due to a math or clerical error that clearly describes the abatement and includes an itemized computation of adjustments to be made to the items described in the notice of the error.
This act also requires the IRS to
• provide procedures for requesting in writing, electronically, by phone, or in person an abatement of tax assessed due to a math or clerical error;
• implement a pilot program to send notices of a math or clerical error by certified or registered mail; and
• report to Congress certain information about the pilot program.
Official summary by the Congressional Research Service (Public Law, Nov 25, 2025).
Our plain-language breakdown, with what it means for you and the case for and against, is written once a bill starts to move.
What has happened
Sourced- 2025-11-25Became Public Law No: 119-39.Library of Congress
- 2025-11-25Signed by President.Library of Congress
- 2025-11-25Presented to President.Library of Congress
- 2025-10-20Passed/agreed to in Senate: Passed Senate without amendment by Unanimous Consent.Library of Congress
- 2025-03-31Passed/agreed to in House: On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote. (text: CR H1348-1349)Library of Congress
- 2025-03-27Reported (Amended) by the Committee on Ways and Means. H. Rept. 119-42.Library of Congress
- 2025-02-05Introduced in HouseLibrary of Congress
After it became law
SourcedSince it became law on Nov 25, 2025, the Federal Register, the government's daily record of rules and notices, has published 1 document that name it: 1 notice.
Named in the body of the document
The quote shows how each one uses the law: as the reason for a change, as background, or in passing.
- Notice; 2025 Statutory Pay-As-You-Go Act Annual Report
…Stablecoins Act; Public Law 119-31, VA Home Loan Program Reform Act; Public Law 119-37, Continuing Appropriations, Agriculture, Legislative Branch, Military Construction and Veterans Affairs, and Extensions Act, 2026; Public Law 119-39, Internal Revenue Service Math and Taxpayer Help Act; Public Law 119-43, Medal of Honor Act; Public Law 119-58, Secure Rural Schools Reauthorization Act of 2025; and Public Law 119-60, National Defense Authorization Act…
Found by searching the Federal Register for Public Law 119-39 and the law's names, then reading each document: every one listed contains them, and the quote is its own words. An agency can carry out a law without naming it, so this list can miss some. Checked Oct 27, 2026. Every new law's rules
Cosponsors
- Bradley Scott Schneider D-IL-10