Upon the appointment to Shogun, an Imperial envoy goes to Edo-jo Castle and stands in the lower position while the shogun stood on the higher position mostly during the Edo period.
将軍宣下の際は、江戸時代の大半を通じて、江戸城に勅使が赴き、将軍が上座、勅使が下座に立って宣下を行った。