The tax bureau checks the sales data of 202 1 e-commerce. Under the background of the growing development of e-commerce industry, the transaction data of e-commerce platform is huge, and the tax bureau is paying more and more attention to the compliance and tax payment of e-commerce transactions. The tax bureau may regularly or irregularly conduct tax review on e-commerce, verify the authenticity and integrity of transaction data, and check whether the tax payment meets the requirements of laws and regulations.