I'll check it out. The software for invoicing VAT invoices adopts digital password and electronic information storage technology, encrypts the invoice elements through tax control algorithm, strengthens the anti-counterfeiting of invoices, and signs the invoice data with tax digital certificate to ensure the security of electronic data transmission of invoices, and realizes the monitoring of the tax source of VAT taxpayers as soon as the invoices are opened. In accordance with the requirements of the standards and specifications of electronic bills of the Ministry of Finance, the management of financial electronic bills and the management of electronic bills issued by collecting units will be established to provide diversified management and service programs for the competent authorities. The integrated platform of intelligent supervision and fiscal control is based on tax collection and management, efficiency tax collection, industrial data analysis, optimization of industrial structure, accurate poverty alleviation and optimization of business environment, and has been deployed and promoted.