On the ceremony space about Rinzikyaku(臨時客) held in Tai(対) of the aristocratic residences in the Heian period, the following points were clarified.
1. The ceremony space of Rinzikyaku(臨時客) held in Tai(対) in Fujiwara-no-Yoritada(藤原頼忠)'s residence is affected by Yoritada(頼忠) having lived in Sinden(寝殿).
2. The ceremony space of Rinzikyaku(臨時客) held in Tai(対) in Fujiwara-no-Kaneie(藤原兼家)'s residence is affected by Kaneie(兼家) having lived in Tai(対).
3. The difference of the ceremony space of both residences depend on the difference of the influence of how to use residences when their daughter who become Empress of the Emperor went home.
