To take part in the Peikang Ox Fair, which covers an area of some 5,000 pings, dealers must pay a deposit of NT $ 10 for each head of cattle.
當時每隻耕牛都有自己的「身份證」，上面註明牛隻的籍貫、年齡、性別、毛紋及特徵，並且所有買賣都要報明墟長勘驗。現在的牛墟則由買賣雙方直接交易，毋須出示任何證明，手續較以往簡便，但仍保有傳統墟市的基本型態。