As there had been a strong opposition against separation, installation, abolition and amalgamation of Gun, it was not until 1899 when Gunsei was revised so that Gunsei became effective in all the prefectures.
郡の分置廃合への反対が強かったため、全府県に郡制が施行されたのは1899年（明治32年）に郡制が改正されてからである。