With respect to a worker who had been in continuous service for more than six months before the date on which the Act Partially Amending the Labor Standards Act and the Act on Temporary Measures for Promotion of Shorter Working Hours (Act No. 79 of 1993) came into effect and whose prescribed working hours per week are less than 30 hours, the number of days specified by Order of the Ministry of Health, Labour and Welfare in consideration of the ratio between the number of days specified by Order of the Ministry of Health, Labour and Welfare as the number of prescribed working days per week for an ordinary worker referred to in Article 39, paragraph (3) of the Act and the number of prescribed working days per week or the average number of prescribed working days per week for the worker concerned is, notwithstanding the provisions of Article 24-3, paragraph (3) of the new Rules and the preceding Article, the number of days specified for each category of years of continuous service in the right-hand column of the following table, in accordance with the category of the number of prescribed working days in the left-hand column of that table in the case of a worker set forth in Article 39, paragraph (3), item (i) of the Act, and in accordance with the category of the number of prescribed working days for one year in the middle column of that table in the case of a worker set forth in item (ii) of that paragraph.