The amount of the Class I special enrollment insurance premiums is to be the amount obtained by multiplying the total of the amounts specified by Order of the Ministry of Health, Labour and Welfare for the persons deemed as entitled to receive the insurance benefit pursuant to the provision of Article 34, paragraph (1) of the Industrial Accident Insurance Act, by taking into consideration of the basic daily benefit amount set forth in item (iii) of the same paragraph and other circumstances, by the rate obtained by reducing from the rate identical to the industrial accident insurance rate prescribed by Article 12, paragraph (2) (if the rate has been increased or decreased pursuant to the same Article, paragraph (3), the increased or decreased rate) for the businesses pertaining to those persons, the rate prescribed by the Minister of Heath, Labour and Welfare by taking into consideration of the amount of the costs required for the benefit for second medical examination, etc. during the past three years in respect of all businesses to which the Industrial Accident Insurance Act is applied (hereinafter referred to as the "Class I special enrollment insurance premium rate").
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