The following principles should be followed in the terms of contract renewal upon expiration: 1, and the principle of legality. 2. The principle of fairness. 3. The principle of equality and voluntariness. 4. The principle of consensus and good faith. A contract is an agreement between civil subjects to establish, change and terminate a civil legal relationship. Contracts established according to law are protected by law. A legally established contract is legally binding only on the parties, except as otherwise provided by law.
Legal objectivity:
Article 82 of the Labor Contract Law stipulates that if the employer fails to conclude a written labor contract with the employee for more than one month and less than one year from the date of employment, it shall pay the employee twice the monthly salary.