During the Heian period and onwards, "zuryo" referred to the head of kokushi shitokan (four officials of the provincial governor), who was dispatched to an appointed province with administrative responsibility.
受領（ずりょう）とは、国司四等官のうち、現地に赴任して行政責任を負う筆頭者を平安時代以後に呼んだ呼称。