are there any alcohol rules to be followed at a casino?
Casinos, and vendors serving, selling or storing alcoholic beverages for a casino, are required to obtain a casino hotel alcoholic beverage (CHAB) license from the Division of Gaming Enforcement.
Alcohol laws of New Jersey
Casinos, and vendors serving, selling or storing alcoholic beverages for a casino, are required to obtain a casino hotel alcoholic beverage (CHAB) license from the Division of Gaming Enforcement. 
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Alcohol laws of New Jersey [SEP] Casinos
Although casinos are not under the jurisdiction of the ABC, many of the regulations for casinos and casino vendors are similar to those for ABC class C retailer licensees. Casinos may generally only purchase alcoholic beverages from licensed wholesalers (i.e. ABC Class B licensees). A casino may have a brewpub on site, but production is limited to 3,000 barrels of beer per year, and the beer may only be distributed in open containers on casino floor and in hotel areas of the casino. Casinos may obtain a permit to have tastings, and tasting dinners. Non-profit organizations may obtain a permit to have a social event at a casino where they charge for alcoholic beverages.