What is the communication platform for tax collection in Ningbo?

"permanent tax nail" Ningbo Municipal Bureau of Taxation, State Taxation Administration of The People's Republic of China, used Ningbo epidemic prevention and control health code for reference, and launched the tax service integration project "Yong Tax Code" on Ningbo tax collection and exchange platform "Yong Tax Nail", which visualized and visualized the concept of "keeping promises smoothly, breaking promises and being punished" through five-color coding. "Forever tax code" corresponds to tax credits A, B, M, C and D in five colors, namely gold, silver, green, blue and red, and is managed according to credit dynamic management.