But when Nariakira SHIMAZU became the lord of the domain in 1853, OKUBO was reinstated as an officer for okura (the rice store of the Edo shogunate) at the Land Record Office of the domain.
しかし島津斉彬が藩主となると、嘉永6年（1853年）に藩記録所御蔵役として復職する。