This allows a breeder to ensure that only the best stock is bred. A dog with a Limited Registration may not be shown at a dog show in conformation but may be shown in obedience trials. Wheatens in pet shops come from commercial dog breeders and brokers, The most accurate way to identify a commercial breeder is by a US Dept. Of Agriculture license. The requirements of the Animal Welfare Act are minimal, frequently less than those required for livestock on farms.
Inspections are infrequent and violations common.
There are no requirements for socialization with humans.