It appears Grover Norquist, president of Americans for Tax Reform, may owe the Office of Tax and Revenue up to $3,822.28.
From the Campaign For A Cleaner Congress:
As of April 18, 2006, Norquist's taxes on his Washington, DC townhouse had not been paid for the period covering October 1, 2005 - March 31, 2006, the first half of the fiscal year. Norquist's taxes were due on March 31.
A note on the site states that there is slim chance that this may be a processing error and not Norquist's fault.
However if that is not the case it seems Norquist has taken the "starve the beast" mentality to a new level.
There are supporting documents on the Campaign For A Cleaner Congress' webpage (www.cleanercongress.org).