| State
| Filing deadline for 2010 ballot
| Signatures for amendment
| Signatures for statute
|
| Alaska
| Tied to legislative session
| NA
| 32,734
|
| Arizona
| July 1, 2010
| 230,046
| 153,364
|
| Arkansas
| July 2, 2010
| 77,468
| 61,974
|
| California
| February-April, depending
| 711,925
| 444,953
|
| Colorado
| August 2, 2010
| 76,046
| 76,046
|
| Florida
| February 1, 2010
| 676,811
| NA
|
| Idaho
| April 30, 2010
| NA
| 51,712
|
| Illinois
| May 3, 2010
| 278,934
| NA
|
| Maine
| January, 2010
| NA
| 55,087
|
| Massachusetts
| Multiple deadlines
| 67,315[1]
| 67,315[1]
|
| Michigan
| May 26, 2010, July 5, 2010
| 382,129
| 305,703
|
| Mississippi
| October 5, 2009
| 89,294
| NA
|
| Missouri
| May 2, 2010
| 154,000-230,022[2]
| 105,000-143,888[2]
|
| Montana
| June 18, 2010
| 48,673
| 24,337
|
| Nebraska
| July 2, 2010
| Approx. 117,000[3]
| Approx. 80,992[3]
|
| Nevada
| May 17, 2010
| 97,002
| 97,002
|
| North Dakota
| August 2, 2010
| 25,659
| 12,829
|
| Ohio
| December 23, 2009, June 30, 2010
| 402,275
| 120,683 + 120,683
|
| Oklahoma
| 90 days after circulation starts, or September 2010
| 219,400
| 117,013
|
| Oregon
| July 2, 2010
| 110,358
| 82,769
|
| South Dakota
| November 2, 2009, April 6, 2010
| 33,553
| 16,776
|
| Utah
| April 15, 2010
| NA
| 94,652
|
| Washington
| July 2, 2010
| NA
| 241,153
|
| Wyoming
| February 8, 2010
| NA
| 38,406
|