bulletin›Rev. Proc. 88-23 provided additional
SEC. 11. INQUIRIES
Internal Revenue Bulletin 2000-35 · 2026-10-03 edition · updated 2026-10-04 · United States
Address all inquiries to:
Internal Revenue Service Center P.O. Box 21086 Drop Point 8731 FIRPTA Unit Philadelphia, PA 19114-0586
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