The invoice prompt of CNOOC was not found.

There are two situations. According to the relevant information of CNOOC, there are two situations that are not in the invoice prompt of CNOOC.

1. There is a problem with the source of the invoice issued by the gas station. It is a fake invoice or an invoice bought from someone else.

2. The tax bureau made a mistake in selling invoices to gas stations, which led to the inconsistency between the actual invoices sold and the records of the IRS system, which led to the abnormal inquiry of invoices issued by gas stations.