Article 18Automatic Changing of the Scope of the Daily Amount of Wages used in Calculating the Daily Amount of the Basic Allowance
第十八条（基本手当の日額の算定に用いる賃金日額の範囲等の自動的変更）
When the average earnings (meaning the average amount earned per worker calculated as prescribed by Order of the Ministry of Health, Labour and Welfare, based on the average regular earnings for workers indicated in the Monthly Labor Statistics compiled by the Ministry of Health, Labour and Welfare, the same applies hereinafter) for a fiscal year (meaning April 1 to March 31 of the following year, the same applies hereinafter) have either exceeded or fallen below the average earnings for the fiscal year starting on April 1, 2015 (when the amount subject to automatic changing has been changed pursuant to the provisions of this Article, the fiscal year preceding the fiscal year when the latest change was implemented), the Minister of Health, Labour and Welfare must change the amount subject to automatic changing applicable from August 1 of the following fiscal year in accordance with the percentage of the increase or decrease.
厚生労働大臣は、年度（四月一日から翌年の三月三十一日までをいう。以下同じ。）の平均給与額（厚生労働省において作成する毎月勤労統計における労働者の平均定期給与額を基礎として厚生労働省令で定めるところにより算定した労働者一人当たりの給与の平均額をいう。以下同じ。）が平成二十七年四月一日から始まる年度（この条の規定により自動変更対象額が変更されたときは、直近の当該変更がされた年度の前年度）の平均給与額を超え、又は下るに至つた場合においては、その上昇し、又は低下した比率に応じて、その翌年度の八月一日以後の自動変更対象額を変更しなければならない。
If there is a fractional amount of one to four yen in the amount subject to automatic changing which was changed pursuant to the provisions of the preceding paragraph, the amount is to be rounded down to the nearest ten yen, and a fractional amount of five to nine yen is to be rounded up to the nearest ten yen.
Of the amounts subject to automatic changing applicable from August 1 of each fiscal year as calculated based on the provisions of the preceding two paragraphs, any amount that does not reach the minimum daily wage amount (meaning the amount calculated by the calculation method specified by Order of the Ministry of Health, Labour and Welfare based on the amount of the regional minimum wage (meaning the regional minimum wage prescribed in Article 9, paragraph (1) of the Minimum Wage Act (Act No. 137 of 1959)) in effect on April 1 of that fiscal year) is to be that minimum daily wage amount from August 1 of that fiscal year.
前二項の規定に基づき算定された各年度の八月一日以後に適用される自動変更対象額のうち、最低賃金日額（当該年度の四月一日に効力を有する地域別最低賃金（最低賃金法（昭和三十四年法律第百三十七号）第九条第一項に規定する地域別最低賃金をいう。）の額を基礎として厚生労働省令で定める算定方法により算定した額をいう。）に達しないものは、当該年度の八月一日以後、当該最低賃金日額とする。
"The amount subject to automatic changing" referred to in the preceding three paragraphs means the amounts used in calculating the daily amount of the basic allowance pursuant to the provisions of Article 16, paragraph (1) (including as applied pursuant to paragraph (2) of the same Article, following the deemed replacement of terms), being the daily wage in the scope of 2,460 yen or more and less than 4,920 yen, which is multiplied by 80 percent pursuant to the provisions of paragraph (1) of the same Article and the daily wage in the scope of 4,920 yen or more and 12,090 yen or less, which is multiplied by a rate from 80 percent to 50 percent pursuant to the provisions of the same paragraph and the amounts listed in each item of paragraph (4) of the preceding Article.