such person shall pay a penalty of $250 with respect to such return or claim unless it is shown that there is reasonable cause for the understatement and such person acted in good faith.
such person shall pay a penalty of $1,000 with respect to such return or claim. With respect to any return or claim, the amount of the penalty payable by any person by reason of this paragraph shall be reduced by the amount of any penalty paid by such person by reason of paragraph (k)(1) of this section.
shall pay a penalty with respect to each such document in the amount determined in accordance with, and subject to the limitations contained in, § 6701 of the Internal Revenue Code ( 26 U.S.C. § 6701 ), or successor provisions. Except as provided in subsection (m) of this section, the penalty imposed by this subsection shall be in addition to any other penalty provided by law.
30 Del. C. § 535