Rev. Proc. 2011-23, 2011-15 I.R.B. 626
Internal Revenue Bulletin 2011-18 · 2026-10-03 edition · updated 2026-10-04 · United States
2011-1
Corrected by
Ann. 2011-7, 2011-5 I.R.B. 446
2011-8
Corrected by
Ann. 2011-8, 2011-5 I.R.B. 446
1 A cumulative list of current actions on previously published items in Internal Revenue Bulletins 2010–27 through 2010–52 is in Internal Revenue Bulletin 2010–52, dated December 27, 2010.
2011–18 I.R.B. iii May 2, 2011
Revenue Procedures— Continued:
2011-11
Corrected by
Ann. 2011-9, 2011-7 I.R.B. 499
2011-14
Modified by
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