Flavored tobacco ban advances with exemptions for age restricted stores, more Colorado Politics Campaign contributions for and against Denver flavored nicotine ban heat up Will you vote to repeal a ban on flavored tobacco in Denver?, Referendum 310 is on your ballot this year. If a majority of voters vote yes the city will continue to ban flavored tobacco products. If Denver's Flavor Ban Deserves Repeal: Data, Not Dogma, Should Drive Policy A group of vape shop owners is backing a newly filed lawsuit challenging Denver's ban on flavored tobacco products, arguing the ordinance is unconstitutional and unfairly targets their industry. (KDVR)