Which file is Chongqing social security 823?

90% grade. According to the Notice on Printing and Distributing the Administrative Measures for the Collection and Payment of Social Insurance Fees in Chongqing issued by Chongqing Human Resources and Social Security Bureau, there are six grades of social insurance fees in Chongqing, which are 60%, 80%, 90%, 100%, 200% and 300% respectively. So 823 belongs to the 90% grade.