Keeping "dangerous dogs"

The keeping of so-called "dangerous dogs" and dogs of certain breeds must be reported and notified.
Details are regulated by the state dog law.
Permission to keep "dangerous" dogs is granted by the city after examining the individual case.

Dangerousdogs
are dogs whose dangerousness is suspected or has been established in individual cases.
Dangerous dogs are dogs of the breeds Pitt Bull Terrier, American Staffordshire Terrier, Staffordshire Bull Terrier and Bull Terrier and their crossbreeds with each other as well as their crossbreeds with other dogs. Crossbreeds are dogs in which the phenotype of one of the breeds named there is clearly evident. In cases of doubt, the owner must prove that a crossbreed as described above does not exist.

Dogs of certain breeds
For the handling of dogs of the breeds Alano, American Bulldog, Bullmastiff, Mastiff, Mastino Espanol, Mastino Napoletano, Fila Brasileiro, Dogo Argentino, Rottweiler and Tosa Inu as well as their crossbreeds with each other and with other dogs, § 4 with the exception of paragraph 2 and §§ 5 to 8 of the State Dog Act apply accordingly, unless the law stipulates otherwise.

Legal basis
Dog Law for the State of North Rhine-Westphalia (State Dog Law - LHundG NRW)