After the subject three exam is over, you must sign the score sheet, otherwise it will have a big impact.

Regulations on the Application and Use of Motor Vehicle Driving Licenses revised and promulgated by the Ministry of Public Security

Article 38

Personnel engaged in examination work shall hold Have an examiner certificate issued by the traffic management department of the provincial public security organ. Examiners should conscientiously perform their examination duties, take examinations in strict accordance with regulations, and accept social supervision. Before the exam, you should introduce yourself, explain the exam requirements, and verify the identity of the applicant; during the exam, you should strictly implement the exam procedures, and evaluate the exam results according to the exam items and exam standards; after the exam, you should announce the exam results on the spot and explain the reasons for failure in the exam.

The test score sheet for each subject should be signed by the applicant and the examiner. No motor vehicle driving license shall be issued to those who do not sign.