Bulletin No. 2011-18 May 2, 2011
ADMINISTRATIVE
Internal Revenue Bulletin 2011-18 · 2026-10-03 edition · updated 2026-10-04 · United States
T.D. 9519, page 734. Final regulations under section 7811 of the Code relate to the issuance of taxpayer assistance orders.
T.D. 9520, page 730. Final regulations under section 6323 of the Code provide rules relating to the validity and priority of the Federal tax lien against certain persons.
Announcement 2011–29, page 748. This announcement reinstates the enrollment renewal period under section 10.6(d) of the regulations governing practice before the IRS, Treasury Department Circular No. 230, for enrolled agents whose social security number or tax identification numbers end in 4, 5, or 6.
May 2, 2011 2011–18 I.R.B.
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