In many cases, tozama daimyo who was a lord of a castle with territory of 40,000 to 70,000 koku became Kyooyaku for messengers of the emperor, while tozama daimyo of jinya (regional government office) with territory of 10,000 to 30,000 koku became Kyooyaku for those of the retired emperor.
勅使饗応役に就任するのは、4万石から7万石前後の所領を持つ城主の外様大名、院使饗応役に就任するのは1万石から3万石前後の陣屋の外様大名であることが多かった。