Shirley,
Does your dog really
look like a staffie? Are you 100% certain of his/her parentage? Or is there guesswork involved, is there a chance that he/she doesn't have staffie in the mix?
If there is uncertainty that he/she may be part staffie, perhaps consider registering him/her as a
Mischling (mixed breed), full stop. Registering your dog as a staffie cross if he/she is of uncertain parentage could be letting yourself - and your dog - in for a world of problems unnecessarily.
(For instance, Staffies are outright banned in some cantons, must be kept on lead and muzzled at all times in public in others. This is someting you'd have to think about when visiting other cantons.)
Obviously, if you
know he/she is part staffie, that is quite different - and you should register him/her as such.
ETA:
In Basel, an owner of a listed breed would need the following to apply for a permit:
Minimum age (of owner) 20 years old.
Knowledge of responsible dog ownership
Good reputation (owner) - that is, proof from the central criminal register that you have not commited any crimes (
Auszug aus dem Schweizerischen
Zentralstrafregister )
Liability insurance of minimum CHF 3 million coverage
Proof of origin of the dog (Pedigree, purchase contract, adoption agreement, etc.)
Microchipped
Attendance at training classes - either a puppy group or basic obedience. (If you have course certificates from any classes taken in the UK, bring them along)
The dog will have to stand a
Verhaltenstest, a character test. See this link for a description with pictures (so even if you don't read German you can get an idea of what will be expected):
http://www.veterinaeramt-bs.ch/conte...=14&content=29
The full text of the Basel (Stadt) dog control law can be found here - Chapter IV deals with listed breeds:
http://www.veterinaeramt-bs.ch/files/365.110.pdf
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Glancing quickly through that above, some restrictions: If one owns a listed dog, one cannot have another dog without applying for permission.
Also, a person alone may not walk a listed breed dog with another dog - which would mean you'd have to walk your dog separately. Exceptions can be granted if the owner shows correct knowledge of responsible dog ownership, and the ability to keep both dogs under control.
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IIRC, an EF member 'Begga' moved to Basel last year with her Dobie - I would suggest you PM her for her experience registering her dog with the Basel Veterinäramt. I don't live in Basel, so I'm only going by what I've found in Veterinäramt documents posted online; reality sometimes differs...)
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Your collie cross is not affected in Basel - it is only ZH where the size issue will come into play, and the details of how the new law will be implemented are not yet published. (Or, I suspect, decided.)