Rev. Proc. 2010-38, 2010-43 I.R.B. 530
Internal Revenue Bulletin 2010-47 · 2026-10-03 edition · updated 2026-10-04 · United States
2008-52
Modified by
T.D. 9504, 2010-47 I.R.B. 670
2009-18
Obsoleted in part by
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