It is used for banquets, such as return parties to the welcoming dinners at the Imperial Palace, which are a diplomatic procedure attended by the Emperor and the Imperial Family.
皇居宮殿での歓迎晩餐会の答礼など、プロトコル国際儀礼のための接宴として、天皇や皇族などが臨席し晩餐会が行なわれることもある。