(a) In general
If any person required to file a return under section 6039K fails to file a complete and correct return under such section in the time and in the manner prescribed therefor, such person shall pay a penalty of $500 for each day during which such failure continues.
(b) Limitation
(c) Penalty in cases of intentional disregardIf a failure described in subsection (a) is due to intentional disregard, then—
(d) Inflation adjustment
(1) In generalIn the case of any failure relating to a return required to be filed in a calendar year beginning after 2025, each of the dollar amounts in subsections (a), (b), and (c) shall be increased by an amount equal to—
(2) Rounding
(A) In general
If the $500 dollar amount in subsection (a) and (c)(1) or the $2,500 amount in subsection (c)(1), after being increased under paragraph (1), is not a multiple of $10, such dollar amount shall be rounded to the next lowest multiple of $10.