How to query the tax classification code of goods and services: the tax classification code of goods and services can be queried in a specific Web site, there are two kinds of query Web site
Invoices refer to the invoices issued and collected by all the units and individuals in the purchase and sale of commodities, the provision or acceptance of services as well as engage in other business activities. Activities, issued and collected business vouchers, is the original basis for accounting, but also the audit authorities, tax authorities, the important basis for law enforcement checks. Receipts are the receipt of payment vouchers, invoices can only prove that the business occurred, can not prove that the money is received or paid.