①If a worker sustains an injury or suffers illness in the course of employment, the employer must furnish the necessary medical treatment at its expense, or must bear the expenses of any necessary medical treatment.

②Order of the Ministry of Health, Labour and Welfare prescribes the scope of illnesses suffered in the course of employment and of medical treatment under the provisions of the preceding paragraph.

①If a worker does not receive wages because the worker is unable to work due to medical treatment under the provisions of the preceding Article, the employer must pay compensation for that absence from work at the rate of 60 percent of the worker's average wage.

②If the per capita average monthly amount of ordinary wages in each of the periods of January through March, April through June, July through September, and October through December (any such period is referred to hereinafter as a "quarter") that would be paid to workers at the same workplace who are engaged in the same type of work as the worker receiving compensation for an absence from work pursuant to the preceding paragraph if they worked the prescribed working hours (or, for a workplace where fewer than 100 workers are ordinarily employed, that quarter's average monthly amount, per worker, for salaries paid on a monthly basis in the industry to which that workplace belongs, as provided in the Monthly Labor Survey compiled by the Ministry of Health, Labour and Welfare; hereinafter whichever amount applies is referred to as the average salary) exceeds 120 percent of the average salary during the quarter that includes the day on which the worker in question sustained the injury or suffered illness in the course of employment, or falls below 80 percent of that amount, the employer must adjust the amount of compensation for absence from work which is payable to the worker in question pursuant to the preceding paragraph in accordance with that rate of increase or decrease two quarters after the quarter in which the increase or decrease occurred; and the employer must provide the adjusted amount of compensation for absence from work from the first month of the quarter that includes the day on which it makes that adjustment. The same applies to adjustments to a previously adjusted amount of compensation for absence from work.

③Order of the Ministry of Health, Labour and Welfare prescribes the means of making adjustments when it is difficult to do so pursuant to the provisions of the preceding paragraph and provides for other necessary matters regarding adjustments under the provisions of that paragraph.

If worker who has sustained an injury or has suffered illness in the course of employment has a physical disability after recovery, the employer must pay compensation for the disability in the amount arrived at when the average wage is multiplied by the number of days set forth in Appended Table 2 for the degree of disability.

If a worker sustains an injury or suffers illness in the course of employment due to the gross negligence on the part of the worker, and the employer has had that negligence acknowledged by the relevant government agency, the employer is not obligated to pay compensation to the worker for absence from work or disabilities.

If a worker has died in the course of employment, the employer must pay compensation to the bereaved family equivalent to 1,000 days at the average wage.

If a worker has died in the course of employment, the employer must pay an amount equivalent to 60 days at the average wage as funeral expenses to the person managing the funeral rites.

If a worker receiving compensation pursuant to the provisions of Article 75 fails to recover from the injury or illness within 3 years from the date of commencement of medical treatment, the employer may pay compensation for discontinuation of that medical compensation, equivalent to 1,200 days at the average wage; thereafter, the employer does not need to pay compensation under the provisions of this Act.

If an employer demonstrates the ability to pay and obtains the consent of the person entitled to compensation, in lieu of the compensation under Article 77 or Article 79, the employer may pay compensation every year for six years, in the amount arrived at when the average wage is multiplied by the number of days set forth in Appended Table 3.

①The right to receive compensation is not changed by the worker's separation from employment.

②The right to receive compensation must not be transferred or seized.

①If payments equivalent to compensation for injury or illness under this Act are to be made under the Industrial Accident Compensation Insurance Act (Act No. 50 of 1947) or under any other law or regulation designated by Order of the Ministry of Health, Labour and Welfare for something that constitutes a grounds for compensation for injury or illness provided for in this Act, the employer is exempt from the responsibility of providing compensation under this Act.

②If an employer has provided compensation under this Act, it is exempt from the responsibility for damages under the Civil Code based on the same grounds, up to the amount of that compensation.

①Persons who object to an acknowledgment regarding an injury, illness, or death in the course of employment; to the means of medical treatment; to the determination of the amount of compensation; or to something that concerns the implementation of compensation, may file a petition with the relevant government agency for an administrative review or for case arbitration.

②On finding it to be necessary, the relevant government agency may undertake an administrative review or arbitrate a case on its own authority.

③If a civil action has been filed regarding a case for which a person has filed a petition for administrative review or arbitration pursuant to paragraph (1), or regarding a case for which the relevant government agency has commenced an administrative review or arbitration pursuant to the preceding paragraph, the relevant government agency does not conduct an administrative review or arbitration for the case in question.

④On finding it to be necessary to do so for an administrative review or arbitration, the relevant government agency may have a physician make a diagnosis or perform an examination.

⑤With regard to the postponement of completion and the renewal of prescription, an application for administrative review or arbitration under the provisions of paragraph (1) and the commencement of administrative review or arbitration under the provisions of paragraph (2) are deemed to be a judicial claim.

①A person who is dissatisfied with the results of an administrative review or arbitration under the provisions of the preceding Article may petition for an administrative review or arbitration by an industrial accident compensation insurance examiner.

②The provisions of paragraph (3) of the preceding Article apply mutatis mutandis when a person has filed a petition for administrative review or arbitration pursuant to the provisions of the preceding paragraph.

①If a business as prescribed by Order of the Ministry of Health, Labour and Welfare is carried out based on multiple levels of contracts for work, the main contractor is deemed to be the employer with respect to compensation for injury or illness.

②In a case as referred to in the preceding paragraph, if the main contractor has by written contract had a subcontractor assume responsibility for the compensation, the subcontractor also constitutes an employer; provided, however, that the main contractor must not have two or more subcontractors assume responsibility for compensation with respect to the same business.

③In a case as referred to in the preceding paragraph, if the main contractor has received a request for compensation, it may request that a demand for compensation first be made to the subcontractor that has assumed responsibility for compensation; provided, however, that this does not apply if the subcontractor has become subject to an order commencing bankruptcy procedures or has disappeared.

Order of the Ministry of Health, Labour and Welfare prescribes the details of compensation other than those set forth in this Chapter.