§ 6707. Failure to furnish information regarding reportable transactions
(a)
In general
If a person who is required to file a return under section
6111
(a) with respect to any reportable transaction—
such person shall pay a penalty with respect to such return in the amount determined under subsection (b).
(b)
Amount of penalty
(1)
In general
Except as provided in paragraph (2), the penalty imposed under subsection (a) with respect to any failure shall be $50,000.
(2)
Listed transactions
The penalty imposed under subsection (a) with respect to any listed transaction shall be an amount equal to the greater of—
(B)
50 percent of the gross income derived by such person with respect to aid, assistance, or advice which is provided with respect to the listed transaction before the date the return is filed under section
6111.
Subparagraph (B) shall be applied by substituting “75 percent” for “50 percent” in the case of an intentional failure or act described in subsection (a).