The minimum wage daily amount prescribed in Article 18, paragraph (3) of the Act is the amount obtained by dividing by 7 the amount obtained by multiplying by 20 the amount calculated by taking the weighted average, by the number of workers, of the amounts for each fixed region of the regional minimum wages prescribed in Article 9, paragraph (1) of the Minimum Wage Act (Act No. 137 of 1959) that are in effect on April 1 of the fiscal year to which the amount subject to automatic changing as changed under Article 18, paragraphs (1) and (2) of the Act applies.
法第十八条第三項に規定する最低賃金日額は、同条第一項及び第二項の規定により変更された自動変更対象額が適用される年度の四月一日に効力を有する最低賃金法（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の額について、一定の地域ごとの額を労働者の人数により加重平均して算定した額に二十を乗じて得た額を七で除して得た額とする。
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