United States v. Home Concrete & Supply, LLC

Ordinarily, the Government must assess a deficiency against a taxpayer within “3 years after the return was filed.” 26 U. S. C. § 6501(a) (2000 ed.). The 3-year period is extended to 6 years, however, when a taxpayer “omits from gross income an amount properly includible therein which is in excess of 25 percent of the amount of gross income stated in the return.” § 6501(e)(1)(A) (emphasis added). The question before us is whether this latter provision applies (and extends the ordinary 3-year limitations period) when the taxpayer overstates his basis in property that he has sold, thereby…