Rev. Proc. 2005-66, 2005-37 I.R.B. 509
Internal Revenue Bulletin 2005-40 · 2026-10-03 edition · updated 2026-10-04 · United States
2005-53
Corrected by
Ann. 2005-61, 2005-36 I.R.B. 495
Notices:
89-111
Amplified by
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