《中华人民共和国外国人入境出境管理条例》

第22条，学生第二十二条 持学习类居留证件的外国人需要在校外勤工助学或者实习的，应当经所在学校同意后，向公安机关出入境管理机构申请居留证件加注勤工助学或者实习地点、期限等信息。

持学习类居留证件的外国人所持居留证件未加注前款规定信息的，不得在校外勤工助学或者实习。

Regulations of the People’s republic of China on Administration of the Entry and Exit of Foreigners

Article 22 Where a foreigner holding a residence permit for study intends to engage in off-campus work-study or internship, he or she shall, upon the approval of the school, apply to the exit and entry administration authority of the public security organ to have such information as the location and duration of the work-study program or internship placement specified in his or her residence permit.

A foreigner holding a residence permit for study shall not engage in any off-campus work-study or internship unless the information prescribed in the preceding paragraph is specified in his or her residence permit.

《中华人民共和国出入境管理法》

第四十二条 国务院人力资源社会保障主管部门、外国专家主管部门会同国务院有关部门根据经济社会发展需要和人力资源供求状况制定并定期调整外国人在中国境内工作指导目录。

国务院教育主管部门会同国务院有关部门建立外国职工勤工助学管理制度，对外国职工勤工助学的岗位范围和时限作出规定。

第四十三条 外国人有下列行为之一的，属于非法就业：

（一）未按照规定取得工作许可和工作类居留证件在中国境内工作的；

（二）超出工作许可限定范围在中国境内工作的；

（三）外国职工违反勤工助学管理规定，超出规定的岗位范围或者时限在中国境内工作的。

Exit and Entry Administration Law of the People’s Republic of China

Article 42 The competent department of human resources and social security and the competent department in charge of foreign experts affairs under the State Council shall, in conjunction with relevant departments under the State Council, formulate and regularly adjust the guiding catalogue for foreigners working in China based on the needs for economic and social development as well as the supply and demand of human resources.

The competent department of education under the State Council shall, in conjunction with relevant departments under the State Council, establish an administrative system for foreign students working to support their study in China and set forth regulations on the scope of jobs and the limit of work time for such foreign students.

Article 43 Any of the following acts of foreigners shall be deemed unlawful employment:

(1) Work in China without obtaining work permits or work-type residence permits in accordance with relevant regulations;

(2) Work in China beyond the scope prescribed in the work permits; or

(3) Foreign students work in violation of the regulations on the administration of foreign students working to support their study in China and work beyond the prescribed scope of jobs or prescribed time limit.

More detailed information can be found from these two websites:

http://cs.mfa.gov.cn/zlbg/flfg/crjxg/t1060665.shtml

http://cs.mfa.gov.cn/zlbg/flfg/crjxg/t1054650.shtml