A racetrack table game licensee shall conspicuously post a sign at each West Virginia Lottery table game indicating the permissible minimum and maximum wagers pertaining at that table. A racetrack table games licensee may not require any wager to be greater than the stated minimum or less than the stated maximum. However, any wager actually made by a patron and not rejected by a racetrack table games licensee prior to the commencement of play shall be treated as a valid wager.