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North Dakota: Legendary. Follow the trail of legends
2010-11 Certified Chemical Test Operators

DATE ISSUED: SUPPLEMENT :
06-01-2011 Eleventh Supplement to July 1, 2010
04-25-2011 Tenth Supplement to July 1, 2010
04-01-2011 Niinth Supplement to July 1, 2010
03-01-2011 Eighth Supplement to July 1, 2010
02-01-2011 Revised Seventh Supplement to July 1, 2010
02-01-2011 Seventh Supplement to July 1, 2010
01-03-2011 Sixth Supplement to July 1, 2010
12-01-2010 Fifth Supplement to July 1, 2010
11-01-2010 Fourth Supplement to July 1, 2010
10-01-2010 Third Supplement to July 1, 2010
09-01-2010 Second Supplement to July 1, 2010
08-01-2010 First Supplement to July 1, 2010
07-01-2010