Is beer as a product in general (commercial/non commercial) taxed in your country? Yes
Are you allowed to produce homebrew beer, that is tax free? Yes
Is there some amount limitation of homebrew beer that you are allowed to produce without paying taxes? 1000L
Is there any legal obligation considering for instance an obligation to fill a report or announcement as a homebrewer and send it to your legal authorities in order to be allowed to brew beer at home? Yes, you have to fill a sheet and send it to the government, 3 days before brewday.
Jeden den bez piva pravděpodobně nikoho nezabije, ale proč zbytečně riskovat...