The Congress finds and declares that—
(3)
the movement, showing, exhibition, or sale of sore horses in intrastate commerce adversely affects and burdens interstate and foreign commerce;
(4)
all horses which are subject to regulation under this chapter are either in interstate or foreign commerce or substantially affect such commerce; and
(5)
regulation under this chapter by the Secretary is appropriate to prevent and eliminate burdens upon commerce and to effectively regulate commerce.
(Pub. L. 91–540, § 3, Dec. 9, 1970, 84 Stat. 1405; Pub. L. 94–360, § 4, July 13, 1976, 90 Stat. 915.)