However, considering the fact that Kagetora UESUGI referred to Kagekatsu as the vice minister in his letter to Moriuji ASHINA, as shown in the statement, "Because the vice minister is uninteresting and strict, as I told you the other day,.....", it would be a safe assumption that Kagekatsu's government service was widely known in the Uesugi family.
しかし、上杉景虎が蘆名盛氏にあてた書状には「先日申入れ候如く、少弼曲なきからいゆえ」と景勝を少弼と呼んでいる処をみると、景勝官途は上杉家中において、公の事実と見て間違いないであろう。