1. Notice or announcement of resumption of classes: the school needs to issue a notice or announcement before resumption of classes, explaining the time, method and requirements of resumption of classes.
2. Identification of students or faculty: Students need to provide student ID cards or ID cards, and faculty need to provide work permits or ID cards. The issuance of the certificate of resumption of classes in Ningbo needs to apply to the school or relevant departments in advance, and provide relevant materials as required to ensure the validity and legality of the certificate.