I read both standards and they are the same. It would be wise to buy from a US breeder who breeds the same TYPE as you see in Brazilian rings. If they tend to be very dark in yoru country, you would want to avoid the breeders with a light coated York. etc..
Be sure to get good references and contact the YTCA for a reputable show breeder. I would contact Parkside (Marie Cordona) in
PR..she shows here in the US and SA. Best wishes