The official map of current conditional adult-use licensees and their license statuses is available at the OMP website. The Maine Office of Marijuana Policy (OMP) announced Friday afternoon that after a nearly four-year wait since the passage of Maine’s adult-use marijuana law in November 2016, retail marijuana sales to adults 21 and older will begin on or after October 9, 2020. The OMP will issue the first active licenses – the last of a three-stage application process begin