bulletin Internal Revenue›Introduction
SECTION 6. TERMS AND
Internal Revenue Bulletin 2001-23 · 2026-10-03 edition · updated 2026-10-04 · United States
CONDITIONS
.01 In General .02 Short Period Tax Return .03 Subsequent Year Tax Returns .04 Record Keeping/Book Conformity .05 Changes in Natural Business Year .06 Changes in Ownership Taxable
Year .07 52–53-week Taxable Years .08 Net Operating Losses .09 General Business Credits
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