Regulations dictated that they were provided with state-distributed fields (koufentian) of 40-mu (approximately 26,666 m²), which was half the value of those allocated to members of the liangmin (lit. good citizen) upper class, and marriage was only recognized between individuals of the same social status.
良民の半額に当たる口分田（40畝支給）の規定があり婚姻は同一身分間でのみ認められた。