Current/Upcoming Amnesties
[complete list of current/past amnesties]

Colorado
  October 1 - November 15, 2011
  http://www.coloradotaxamnesty.com/

Michigan
  May 15 - June 30, 2011
  http://www.michigan.gov/taxes/0,1607,7-238-57091---,00.html

Washington
  February 1 - April 30, 2011
  http://www.dor.wa.gov/amnesty

2010 Amnesties

Illinois
  October 1- November 8, 2010
  
 

Maine [Tax Receivables Reduction Initiative]
  September 1 - November 30, 2010

 

Kansas
  September 1 - October 15, 2010
  http://www.ksrevenue.org/
 

District of Columbia
  August 2 - September 30, 2010

 

      
Nevada
  July 1 - October 1, 2010

 

Florida
  July 1 - September 30, 2010
  http://dor.myflorida.com/dor/amnesty/
 

New Mexico
  June 7 - September 30, 2010
  http://www.taxrelief.newmexico.gov/
 

New York
  January 15 - March 15, 2010

More on Amnesties

updated - September 20, 2011