April 30, 2023. Public subjects refer to the knowledge of policies, laws and regulations, basic theories, technologies and information that all professional and technical personnel must master. The deadline for continuing education in 2022 is April 30, 2023, and no make-up exam service will be provided after the deadline. Public subjects are determined by the competent department of human resources and social security of the provincial people's government in conjunction with relevant administrative departments and industry organizations. After students register and complete their studies, they need to print proof of study.