The only state in the Union with Napoleonic Code and parishes instead of counties has always been a little different thanks to its French roots. However, today's Louisiana has similar business licenses and permits to other states. In fact, it regulates significantly at the state level while even New Orleans, its largest city, remains light on licenses and permits.
In Louisiana, a Diner is a small restaurant sometimes the local neighborhood restaurant. As with any restaurant a full inspection and food license must occur.