(Richmond, Va.) (AP) — A Virginia state Senate committee has changed a major casino bill to require a study and another vote in 2020 before any casino licenses would be granted.

The Senate Finance Committee agreed Wednesday with a plan by Republican Majority Leader Tommy Norment of James City to stop any local referendums on casinos until a comprehensive study is done. The committee voted 12-4 to advance the plan, diminishing hopes of casino supporters as the legislative session approaches the halfway point. Casinos have been proposed for Danville and two other Virginia cities.

The bill orders the state’s Joint Legislative Audit and Review Commission to conduct a comprehensive gambling study with a Nov. 1 deadline.

Norment’s proposal modifies a bill which originally included a study but would have allowed cities to hold referendums as soon as November.