bulletin Internal Revenue›Rev. Proc. 90-63, 1990-2 C.B. 664, is
SECTION 8. EFFECTIVE DATE
Internal Revenue Bulletin 1997-33 · 2026-10-03 edition · updated 2026-10-04 · United States
This revenue procedure is effective on August 18, 1997.
DRAFTING INFORMATION
This revenue procedure was drafted in the Office of Assistant Chief Counsel (Income Tax & Accounting). For further information regarding this revenue procedure, contact Robert A. Testoff on (202) 622-4800 (not a toll free call).
26 CFR 601.204: Changes in accounting periods and in methods of accounting.
(Also Part I, §§ 446, 472; 1.446–1, 1.472–1.)
Rev. Proc. 97–36
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