Prosecution is authorized under the Code for a variety of offenses. Depending on the level of the noncompliance, the following penalties could apply to an individual:
• Section 7203 – misdemeanor willful failure to pay is punishable by a fine of up to $25,000 and/or imprisonment of up to one year.
• Section 7201 – felony willful evasion is punishable by a fine of up to $250,000 and/or imprisonment of up to five years.” [page 3]
I am not making this up: