Look at the books, look at the vouchers, and look at the inventory if there is inventory. Some tax officials will ask to see the financial computer, your business process, and relevant paper materials according to different industries, such as sales contracts and agreements, while others will ask to see receipts.

The most important thing is actually to check the books and vouchers, especially vouchers, and look at them one by one. It is the most important thing to make a good voucher.