The inability to work as specified in Article 42 of the Act shall be comprehensively determined by the insurer based on the following items:
1. Reasonable treatment and rehabilitation period and working capacity required for the insured's injury or illness diagnosed by the certified physician.
2. The inability of the insured to work during the period of reasonable treatment and rehabilitation.
For the matters in Paragraph 1 of the preceding Paragraph, the insurer may when necessary, entrust the relevant specialist physicians to provide medical opinions and make determinations accordingly.
The determination of the work capacity in Subparagraph 1 of Paragraph 1 shall not be limited to the original work the insured engages in.

Those who apply for injury or illness benefit by the provisions of Article 42 of the Act shall submit the following documents:
1. Injury or illness benefit application form and benefit payment receipt.
2. Injury or illness diagnosis certificate.
The diagnosis certificate of injury or illness specified in Subparagraph 2 of the preceding Paragraph may be replaced by a certificate issued by the hospital or clinic that contains the name of the injury or illness, the duration of medical treatment, and the course of treatment.

For the insured claiming the injury and illness benefit, he may make the claim, by having every 15 days as an installment, from the day following the end of the installment; if such installment is less than 15 days, the claim will start on the day following the termination of the treatment for injury and illness.