Any person who willfully attempts in any manner to evade or defeat any tax imposed by this title or the payment thereof shall, in addition to other penalties provided by law, be guilty of a felony and, upon conviction thereof, shall be fined not more than $100,000 ($500,000 in the case of a corporation), or imprisoned not more than 5 years, or both, together with the costs of prosecution.

Any person required under this title to collect, account for, and pay over any tax imposed by this title who willfully fails to collect or truthfully account for and pay over such tax shall, in addition to other penalties provided by law, be guilty of a felony and, upon conviction thereof, shall be fined not more than $10,000, or imprisoned not more than 5 years, or both, together with the costs of prosecution.

Any person required under this title to pay any estimated tax or tax, or required by this title or by regulations made under authority thereof to make a return, keep any records, or supply any information, who willfully fails to pay such estimated tax or tax, make such return, keep such records, or supply such information, at the time or times required by law or regulations, shall, in addition to other penalties provided by law, be guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than $25,000 ($100,000 in the case of a corporation), or imprisoned not more than 1 year, or both, together with the costs of prosecution. In the case of any person with respect to whom there is a failure to pay any estimated tax, this section shall not apply to such person with respect to such failure if there is no addition to tax under section 6654 or 6655 with respect to such failure. In the case of a willful violation of any provision of section 6050I, the first sentence of this section shall be applied by substituting “felony” for “misdemeanor” and “5 years” for “1 year”.

Any person who willfully delivers or discloses to the Secretary any list, return, account, statement, or other document, known by him to be fraudulent or to be false as to any material matter, shall be fined not more than $10,000 ($50,000 in the case of a corporation), or imprisoned not more than 1 year, or both. Any person required pursuant to section 6047(b), section 6104(d), or subsection (i) or (j) of section 527 to furnish any information to the Secretary or any other person who willfully furnishes to the Secretary or such other person any information known by him to be fraudulent or to be false as to any material matter shall be fined not more than $10,000 ($50,000 in the case of a corporation), or imprisoned not more than 1 year, or both.

Any person who buys, sells, offers for sale, uses, transfers, takes or gives in exchange, or pledges or gives in pledge, except as authorized in this title or in regulations made pursuant thereto, any stamp, coupon, ticket, book, or other device prescribed by the Secretary under this title for the collection or payment of any tax imposed by this title, shall, upon conviction thereof, be fined not more than $1,000, or imprisoned not more than 6 months, or both.

Any person who, being duly summoned to appear to testify, or to appear and produce books, accounts, records, memoranda, or other papers, as required under sections 6420(e)(2), 6421(g)(2), 6427(j)(2), 7602, 7603, and 7604(b), neglects to appear or to produce such books, accounts, records, memoranda, or other papers, shall, upon conviction thereof, be fined not more than $1,000, or imprisoned not more than 1 year, or both, together with costs of prosecution.