Two Justice Department officials described the new policy to The Associated Press, saying prosecutors will be told it is not a good use of their time to arrest people who use or provide medical marijuana in strict compliance with state laws.

The new policy is a significant departure from the Bush administration, which insisted it would continue to enforce federal anti-pot laws regardless of state codes.

Fourteen states allow some use of marijuana for medical purposes: Alaska, California, Colorado, Hawaii, Maine, Maryland, Michigan, Montana, Nevada, New Mexico, Oregon, Rhode Island, Vermont and Washington…

“This is a major step forward,” said Bruce Mirken, communications director for the Marijuana Policy Project. “This change in policy moves the federal government dramatically toward respecting scientific and practical reality.”