How to deal with a large invoice of more than one time 1000 million?

According to the relevant information, you can apply for the maximum billing limit, which means that the total sales amount issued by a single special invoice cannot reach the upper limit. If the billing limit does not meet the actual business needs, the competent tax authorities may, according to the actual business needs of taxpayers, verify the maximum billing limit and quantity of the VAT anti-counterfeiting tax-controlled billing system in accordance with the existing provisions.