It was decided that since Narishige did not have formal succession ceremony, he would not be counted as a successor, and Choken succeeded as the 25th chief priest, after his father, Kocho, and used Homyo Jonyo.
そして、正式に門首継承式を行っていなかった業成を御歴代に数えないことが決められ、同年7月31日、父・光暢の後継という形で第25代門首を継承し、法名を淨如と名乗った。