Apart from 'Ichitaishotsu' (local official dispatched by the central government to manage foreign affairs) described in "Gishiwajinden" (literally, an 'Account of the Wa' in "The History of the Wei Dynasty"), the following descriptions are considered to be evidence of this.
『魏志倭人伝』に見られる「一大率」は別としても、以下のような記述がその証拠と考えられている。