Article 37 a worker may discharge the labor contract if he informs the employer in written form 30 days in advance.
第三十七条劳动者提前三十日以书面形式通知用人单位，可以解除劳动合同。
2
Article 42 in the case of any of the following circumstances occurring to a worker, the employer may not discharge the labor contract in accordance with Articles 40 and 41 of this law.
第四十二条劳动者有下列情形之一的，用人单位不得依照本法第四十条、第四十一条的规定解除劳动合同。
3
Article 39 in the case of any of the following circumstances occurring to a worker, the employer may discharge the labor contract.