<P> Under the 1991 act, introduced by MP Ken Baker (and as amended in 1997) it is illegal to own any Specially Controlled Dogs without specific exemption from a court . The dogs have to be muzzled and kept on a lead in public, they must be registered and insured, neutered, tattooed and receive microchip implants . The Act also bans the breeding, sale and exchange of these dogs, even if they are on the Index of Exempted Dogs . </P> <P> Four types in particular were identified by the Act: </P> <Ul> <Li> Pit Bull Terrier </Li> <Li> Japanese Tosa </Li> <Li> Dogo Argentino </Li> <Li> Fila Brasileiro </Li> </Ul> <Li> Pit Bull Terrier </Li>

Breeds of dogs on the dangerous dogs act