A House panel in Washington State took another step toward allowing interstate cannabis commerce on Thursday, advancing a Senate-approved bill that would one day enable businesses in the state to import and export marijuana products.

The bill, SB 5069, from Sen. Ann Rivers (R), would give the governor the authority to enter into agreements with other legal states to permit interstate trade between licensed cannabis companies. But it would take effect only if there's a federal law change "to allow for the interstate transfer of cannabis" between legal businesses or if the U.S. Department of Justice issues an...