The Denver Post reports the bill signed Thursday will require federal approval before it can take effect. Polis says he has spoken with President Donald Trump, who has praised a similar plan in Florida.
The law tasks the Colorado Department of Health Care Policy and Financing with creating a plan for safely importing Canadian drugs and presenting a proposal to U.S. Health and Human Services by September 2020.
Rep. Jaquez Lewis, a Boulder-area Democrat who sponsored the bill, says too many Coloradans have to choose between feeding their families and paying for life-saving drugs on which they depend.
Health and Human Services Secretary Alex Azar has called the proposal a gimmick, and some are skeptical it will lower prices.