The importation of fresh (chilled or frozen) organs, glands, extracts, or secretions derived from ruminants or swine, originating in any region where rinderpest or foot-and-mouth disease exists, as designated in Sec. 94.1, except for pharmaceutical or biological purposes under conditions prescribed by the Administrator in each instance, is prohibited. [28 FR 5980, June 13, 1963, as amended at 53 FR 48520, Dec. 1, 1988; 62 FR 56022, Oct. 28, 1997; 63 FR 67574, Dec. 8, 1998]