Most of Sanni were retired Kannin; those who lived in Kyoto and those who were at Fifth Rank or above and lived in local provinces held full-time positions in Sanniryo, and the others alternately worked at respective Kokufu.
散位はほとんどが退職官人で京内の者と地方の五位以上の者は散位寮に常勤し､それ以外の者は各国府に交替勤務した。