PMTA Registry Bills, Which Ban Flavored Vapes, Are Spreading New Wisconsin vaping law bans most flavored products New law in Wisconsin bans the sale of most vape products Supreme Court grapples with flavored vape ban: Key takeaways WisconsinNews: On Sept. 1 a new Wisconsin law went into effect placing a ban on all vape products not approved by the FDA, which limits the state's vape selection to 39 products. Study: E cigarette flavor ban pushes young adults to cigarettes