Store that sells flavored vape products in Denver on ban: "It's going to hurt us" 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 ban on flavored nicotine products goes into effect as the new year kicks off Denver's city clerk says enough signatures were gathered to send repeal of tobacco flavor ban to voters Denver flavored tobacco, vape ban draws intense industry lobbying Denver's flavored vape ban sends customers across city lines