"The United States Dressage Federation or USDF is a tax-exempt body with over 120 affiliate clubs and over 2,000 annual awards for excellence. It is dedicated to education, achievement, and the promotion of dressage. Its competitions are run under the umbrella of the USEF up to level 4 and FEI for the international levels. The Federation is an influential body in world terms. Its publications are used by similar bodies in other countries, such as Dressage New Zealand."@en . . . . "United States Dressage Federation"@en . "The United States Dressage Federation or USDF is a tax-exempt body with over 120 affiliate clubs and over 2,000 annual awards for excellence. It is dedicated to education, achievement, and the promotion of dressage. Its competitions are run under the umbrella of the USEF up to level 4 and FEI for the international levels. The Federation is an influential body in world terms. Its publications are used by similar bodies in other countries, such as Dressage New Zealand."@en . .