Rev. Proc. 2012-31, 2012-33 I.R.B. 256
Internal Revenue Bulletin 2012-38 · 2026-10-03 edition · updated 2026-10-04 · United States
2008-105
Modified and superseded by
Ann. 2012-34, 2012-36 I.R.B. 334
Notices:
2009-24
Amplified by
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