SECTION 18. DRAFTING AND
Internal Revenue Bulletin 2023-40 · 2026-10-03 edition · updated 2026-10-04 · United States
CONTACT INFORMATION
The principal author of this notice is James Yu of the Office of the Associate
Bulletin No. 2023–40 991 October 2, 2023
Chief Counsel (Income Tax and Accounting). Other personnel from the Treasury Department and the IRS participated in its development. For further information regarding section 7 of this notice, please contact Alfred H. Bae at (202) 317-6934 (not a toll-free number). For further information regarding section 13.03 of this notice, please contact Karen Walny at (202) 317-6938 (not a toll-free number). For further information regarding section 14 of this notice, please contact John J. Lee at (202) 317-6936 (not a toll-free number). For further information regarding all other aspects of this notice, please contact Mr. Yu at (202) 317-4718 (not a toll-free number).
Update for Weighted Average Interest Rates, Yield Curves, and Segment Rates
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