Implements § 6655Open in workspace
Reg. § 301.6655-1 Failure by corporation to pay estimated income tax.
26 CFR § 301.6655-1eCFR, current through 2026-07-14
(a) For regulations under section , see through .
(b) Effective/applicability date: This section applies to taxable years beginning after September 6, 2007.
[T.D. 9347, 72 FR 44366, Aug. 7, 2007]