What if the leader does not approve the leave?

Legal analysis: you can complain to the local labor department. If an employee asks for sick leave, although the unit has the right to approve leave. However, workers have the right to take a vacation when they are sick. If employees submit sick leave sheets, medical records and medical invoices from medical institutions designated by the employer, the employer will not recognize them because of the principle of legal fairness, which is illegal. If this happens, they can complain to the local labor department.

Legal basis: Article 3 of the Labor Law of People's Republic of China (PRC) stipulates that workers enjoy the rights of equal employment and occupation selection, remuneration, rest and vacation, occupational safety and health protection, vocational skills training, social insurance and welfare, submission of labor dispute settlement and other labor rights stipulated by law. Laborers should complete labor tasks, improve their professional skills, implement labor safety and health laws and regulations, and observe labor discipline and professional ethics.

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The above answer is only for the current information combined with my understanding of the law, please refer carefully!

If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.