(2) health certificate. Domestic workers must carry health certificates when they take up their posts. Domestic workers who return to Shanghai must register the health information of the "health cloud" personnel who come to Shanghai; Domestic helpers who have not left Shanghai must provide an "application code".
(3) Isolation (or tripping) certificate. Domestic workers must carry the proof of isolation 14 days issued by community health service agencies, neighborhood committees or enterprises, or provide air tickets, boat tickets, boat tickets and personal travel certificates (the public service of the Ministry of Industry and Information Technology, the "travel certificates" of the three major communication operators, can be authorized to inquire about the provinces and cities within 15 and 30 days).
(4) Work certificate. Domestic workers must carry the work certificate or tripartite employment contract issued by the enterprise when they take up their posts.