However, the vessels managed by the Ouchi clan based in Saigoku (western part of Japan (esp. Kyushu, but ranging as far east as Kinki)) were beyond the reach of the above regulation, and the Chubunsen was still independently collected after their return to port.
ただし、堺商人の影響力の及ばない西国の大内氏が経営する勘合船にはこの規定が及ばず、依然として帰港後に独自に抽分銭を徴収していた。