Aren't most bosses authoritarian by definition? It's their department and they can run it according to their best judgement. Employees usually don't have a say on the decisions of companies, departments and all stuff that is above their level of authority.

But the way to handle any authoritarian figure is to undermine their power and control through measured strategical actions. Get your fellow employees to support you and you'll have power in the masses. If your boss tries to tell you to do something against the regulations and you are backed by your full department, he/she will not have a way to force you and will instead fall when the mass reports and boycotts start. It's hard but it's accomplishable. Any boss can be overthrown. :)