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How often is the social security card system maintained?

A month. Official website of China Social Security Bureau introduced that in order to ensure the system security, China Social Security Bureau will carry out system maintenance once a month from 0: 00 on June/KLOC-0 to 6: 00 on the 5th, that is, the social security card system will be maintained once a month. The social security card of the People's Republic of China is an integrated circuit card issued to the society by the human resources and social security departments in various places, which is used in various business fields of human resources and social security.