F1 – F4 hybrids have to be registered with the authorities. An F1 – F2 Savannah Cat requires an outside enclosure of at least 50 square meters, in addition to registration with the authorities. F3 – F4 Savannahs requirements depend on the city or county and can vary. F1 – F4 Savannah Cats are banned in Bavaria. F5 and later are allowed without any requirements.
F5 and later generations are allowed without registration or any requirements.