When did the social security of employees in Qiannan Prefecture begin to be paid?

1986 10 month. In Qiannan Prefecture, anyone who takes part in work after 1986 or 10 is a contract system and pays endowment insurance. Qiannan Buyi and Miao Autonomous Prefecture is an autonomous prefecture under the jurisdiction of Guizhou Province. It is located in the south-central part of Guizhou Province, bordering Qiandongnan Prefecture in the east, Guangxi Zhuang Autonomous Region in the south and Anshun City and Qianxinan Prefecture in the west.