This Article "Kyokan-shusshi" (an outgoing envoy from Kyoto) was made to specify procedures for an official in Kyoto to follow when he was to leave Kyoto as an envoy and when he returned to Kyoto from his trip, as well as such methods as to send off official documents to the provinces)
京官出使（京官が使者として出発・帰京する際の手続、公文書の地方への送付方法）