Measures of Guiyang Municipality on Social Insurance Payment and Inter-provincial Transfer

This is relatively simple. You only need to open a social security payment voucher in Guiyang Social Security Bureau. As for whether or not to pay the overdue fee is your personal business, you can make it up or not.

The documents are ID card, social security card, and certificate from Chongqing unit, but you may also want to transfer the file to Chongqing. If you don't understand, ask Chongqing unit personnel. You can also keep asking.