Rev. Proc. 2013-29, 2013-33 I.R.B. 141
Internal Revenue Bulletin 2013-38 · 2026-10-03 edition · updated 2026-10-04 · United States
2011-49
Modified by
Ann. 2013-37, 2013-34 I.R.B. 155
2012-25
Obsoleted in part by
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