Signature office. According to the inquiry of China Travel Service. Com, the employee's application for work-related injury identification needs the employee's signature. I can't sign it, so I press my finger at the signature. Article 17 of the Regulations on Work-related Injury Insurance stipulates that if an employee suffers an accident injury or is diagnosed and identified as an occupational disease in accordance with the provisions of the Law on the Prevention and Control of Occupational Diseases, the unit to which he belongs shall, within 30 days from the date of the accident injury or the date of diagnosis and identification as an occupational disease, submit an application for work-related injury identification to the social insurance administrative department in the overall planning area.