Legal analysis: when determining whether there is a labor relationship between the two parties, you can refer to the following documents: wage payment vouchers or records (employee wage roster), and records of paying various social insurance premiums; Can the employee's work permit and service certificate issued by the employer prove his identity? Certificate; Employment records such as Registration Form and Registration Form filled out by employees; Attendance record; Testimonies of other workers, etc. It is necessary for the company to issue a resignation certificate and affix the official seal of the company, indicating the work department, post, working time and resignation time. Be able to explain the situation to the unit and let the unit give evidence.
Legal basis: Article 16 of People's Republic of China (PRC) Labor Law is an agreement between laborers and employers to establish labor relations and clarify the rights and obligations of both parties. To establish labor relations, a labor contract shall be concluded.