Of course I am guessing here but I bet the little Que joints are operating outside the law if the Que is cooked there. Your best bet is to call your local board of health to be sure. Also if you need help with your business plan, your local chapter of the SBA has volunteer business people from the community who can help you with your business plan.
(Brewmaster and Pitmaster)
BBQ Team: Lawn Guyland Smokers
Brewery: Black Dog Brewery
"Sam I Am": XL Big Green Egg
"R2 and D2": Twin 22" Weber Smokey Mountains
Custom Made Automated Souped Up Sabco