Delaware Code
Subchapter V. Criminal Offenses
§ 573. Failure to file return, supply information or pay tax; class A misdemeanor.

Any person required under Title 4, or by this title, other than § 3002 and Chapter 51 and 52 of this title, to pay any estimated tax or tax required by Title 4 or by this title, other than § 3002 and Chapters 51 and 52 of this title, or by regulations made under authority thereof, to make a return (other than a return of estimated tax), keep any records or supply any information, who wilfully 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 Class A misdemeanor as defined in Title 11. In the case of any individual with respect to whom there is a failure to pay any estimated tax, this section shall not apply to such individual with respect to such failure if there is no addition to the tax under § 535(b) of this title with respect to such failure.