However, according to a different theory, people were actually able to travel without restraint as long as they made notification, which is like traveling abroad after getting a passport in modern times, considering the fact that domains in the Edo period were like semi-independent states..
また江戸時代の藩は，半独立国的存在であったことを考えれば，現代においてパスポートを取得して海外旅行に行くようなもので，事実上届出さえすれば自由に旅行は可能であったとの見方もある。