This mandate works in tandem with various local NV laws to prevent US residents in other states from gambling at Vegas online sportsbooks and – in most cases – at Vegas online poker rooms/card rooms. The UIGEA law was enacted to prevent US-based financial institutions and payment services from “knowingly” processing gambling-based transactions to and from unauthorized gambling enterprises. Unlawful Internet Gambling Enforcement Act (2006).These US gambling laws apply to all states, and their effects are a double-edged sword in terms of industry growth inside Nevada and throughout the United States. Outside of the lack of Las Vegas casino online options (which is a reality fully within NV’s control), online gambling in Las Vegas is limited by two main laws, both of which are briefly explained below.