You can write like this:

First, after self-inspection, our company did not issue sales invoices or record cash receipts;

Second, our company did not deduct the input tax after the self-inspection and the goods were out of the warehouse, but did not confirm the sales revenue in time;

Three, after self-examination, our company has not obtained the non-standard deduction certificate, and all the taxes are deducted according to the regulations.

Extended data:

According to "People's Republic of China (PRC) tax collection and management law":

Article 62 If a taxpayer fails to file tax returns and submit tax information within the prescribed time limit, or a withholding agent fails to submit a tax withholding report and relevant information to the tax authorities within the prescribed time limit, the tax authorities shall order it to make corrections within a time limit and may impose a fine of less than 2,000 yuan; If the circumstances are serious, a fine of not less than two thousand yuan but not more than ten thousand yuan may be imposed.