Notice 2011-64, 2011-37 I.R.B. 231
Internal Revenue Bulletin 2011-52 · 2026-10-03 edition · updated 2026-10-04 · United States
2007-93
Obsoleted by
T.D. 9545, 2011-41 I.R.B. 490
2010-23
Modified and supplemented by
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