In a recent order in the The Cannon Corp. v. Commissioner, No. 12466-16, the US Tax Court (Tax Court) held that a redacted email from a revenue agent’s supervisor to the agent regarding a notice of deficiency was not sufficient to satisfy the approval requirement under Internal Revenue Code (IRC) section 6751(b) for the assertion of accuracy-related penalties.

Under IRC section 6751(b), as interpreted by case law, the Internal Revenue Service (IRS) is permitted to assert penalties only if the initial determination to assert the penalty is approved in writing by the supervisor of the individual making such a determination. That provision has been litigated recently in several notable cases, for example, Chai v. Commissioner, 851 F.3d 190 (2d Cir. 2017), and Graev v. Commissioner, 149 T.C. 485 (2017). Since Graev, the Tax Court has issued a series of decisions on the requirements of IRC section 6751(b). Our recent article discussing these decisions can be found here.

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