How to declare Tianjin 20 12 social security base online and how to declare large medical care?

12 Starting from February 26th, online declaration will have special business of online base adjustment. Before you declare online, you should contact your company's personnel or labor colleagues to see if the salary of employees will be adjusted next year, and then follow the online control.

As for the large amount of medical treatment, I remember that it is automatically deducted when online payment is made at the beginning of each year, and we don't need to do anything.