I agree that you should know all of the local laws surrounding alcohol. However, it costs a fair amount of money and you basically have to sit through a classroom/video lecture training course every 3 years. I can read the law myself and pass the test easily, I don't want to give a bunch of money to random bureaucrats/cronies for no reason. California has a much lower rate of alcoholism than Oregon, and got by just fine without these pointless certifications/licenses.