Should Patterdale Terriers have their tail docked?

Breeders of working breeds such as Terriers and Spaniels have a long traditional of tail docking. There are several reasons a breeder may dock their puppies tails, but there are also guidelines that must be met to ensure the welfare of the dogs. In 2007, tail docking was banned in England and Wales for any dog not bred for work.

Tail Docking: What and Why?