Since 1, 20 15 years 10, the mandatory national standard GB32 100-20 15 "uniform social credit code coding rules for legal persons and other organizations" has integrated the business license number, organization code and tax registration certificate number, and enterprises only keep their business.
Therefore, if you need a tax number for invoicing, go to the tax bureau, the industrial and commercial bureau to handle affairs, or need the changchun university of science and technology taxpayer identification number for other purposes, you only need to fill in the unified social credit code:12220000412756090p.