“Fifty-four percent of voters [in Colorado] approved Amendment 20 on November 7, 2000, which amends the state’s constitution to recognize the medical use of marijuana. The law took effect on June 1, 2001. It removes state-level criminal penalties on the use, possession and cultivation of marijuana by patients who possess written documentation from their physician… The law establishes a confidential state-run patient registry that issues identification cards to qualifying patients…
Sixty-five percent of voters [in Nevada] approved Question 9 on November 7, 2000, which amends the states’ constitution to recognize the medical use of marijuana. The law took effect on October 1, 2001. The law removes state-level criminal penalties on the use, possession and cultivation of marijuana by patients who have ‘written documentation’ from their physician… The law establishes a confidential state-run patient registry that issues identification cards to qualifying patients.”