Dates by which Class C Operators are required to be trained
Colorado - January 1, 2010
Iowa - December 31, 2011
Louisiana - August 8, 2012
Utah - January 1, 2012
Arkansas - August 8, 2012
South Dakota - August 8, 2012
Oklahoma - July 1, 2011
Nebraska- December 31, 2015
North Dakota - August 8, 2012