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Notice 2025-49 as originally published

SECTION 15. DRAFTING AND

Internal Revenue Bulletin 2026-11 · 2026-10-03 edition · updated 2026-10-04 · United States

CONTACT INFORMATION

The principal authors of this notice are personnel from the Office of Associate Chief Counsel (Income Tax & Accounting) and the Office of Associate Chief Counsel (International). Other personnel from the Treasury Department and the IRS participated in its development. For further information regarding this notice, contact the Office of the Associate Chief Counsel (Income Tax & Accounting), Branch 7, at (202) 317-7005 (not a tollfree number). For further information

regarding section 8 of this notice, contact the Office of the Associate Chief Counsel (Corporate), Branch 5, at (202) 317-5363 (not a toll-free number). For further information regarding sections 9 and 10 of this notice, contact the Office of Associate Chief Counsel (International), Branch 4, at (202) 317-6937 (not a toll-free number).

Update for Weighted Average Interest Rates, Yield Curves, and Segment Rates

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▸Contents — Internal Revenue Bulletin 2026-11

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