Rice fields exempt from Zoeki (odd-job tasks) but not Kanmotsu (tribute goods paid as taxes or tithes) collected by the kokuga (provincial government offices) were called Zoeki Menden
国衙に納める官物・雑役のうち、雑役を免除されて官物だけを納める田地を雑役免田（ぞうえきめんでん）と言う。