However, there’s a chance the commission could pull it off before then, as it already works with the tracks that will receive sports-betting licenses. That would mean the regulatory work would have to be done by late December, early January-ish at the latest. 551 gives the Kentucky Horse Racing Commission six months to establish the regulatory framework for wagering once the legislation goes into effect, which will be in around three months. When will legal sports betting start in Kentucky? Here’s what you need to know about the state’s new event wagering law and what it means for bettors. Kentucky sports betting will have both retail and online options, among other things. “But now, after years of urging action, sports betting is finally going to be legal in Kentucky. “Our dollars were supporting Indiana, West Virginia, Ohio, and other states,” Beshear said during a press conference on Friday. Andy Beshear, a longtime supporter of legal sports betting in the state. The legislation was then signed into law by Gov. House Bill 551 passed its final vote in the Kentucky legislature last week by a margin of 25-12. Sports betting sites are coming to the Bluegrass State.