nondisclosed noneconomic substance transaction
Defined in 1 place of the United States Code.
For purposes of this subsection, the term “nondisclosed noneconomic substance transaction” means any portion of a transaction described in subsection (b)(6) with respect to which the relevant facts affecting the tax treatment are not adequately disclosed in the return nor in a statement attached to the return.
Source
- 2010–present26 U.S.C. § 6662Internal Revenue Code · Imposition of accuracy-related penalty on underpayments · in this section