It depends on where your procedures are now. If you are simply a general taxpayer, it is usually an enterprise application at the beginning of the month, a factory inspection and interview by the tax bureau in the middle of the month, and a reply from the tax bureau at the end of the month or early next month. From the date of approval by the tax bureau, you can ask for a special invoice and verify the deduction. If your company is just starting to operate, industrial and commercial registration-application code-tax registration-bank account opening-general application. It will take 2-3 months to get this set down.