When Cabinet Order or Order of the Ministry of Health, Labour and Welfare is established, amended or repealed based on this Act, necessary transitional measures may be established by the Cabinet Order or Order of the Ministry of Health, Labour and Welfare, respectively, within the limit deemed to be reasonably necessary. The same applies when the Minister of Health, Labour and Welfare specifies, amends or repeals the amount subject to automatic changing referred to in Article 18, paragraph (4) and other matters.