The amendment was a measure to control the number of councilors when the number of peerage (new peers and those who became peers in recognition of their military service) increased rapidly after the Japanese-Sino war and Japanese-Russo war.
これは、日清戦争・日露戦争を経て、華族（戦功華族・新華族）の数が急増したことによる議員数の増加を抑えるための措置である。