When was this invoice issued and when did you receive it? If it belongs to the current month, it will be returned immediately, invalidated and reissued. If it was sent a month ago, it will be returned and reissued. You will make a note when you return it. It will be very troublesome for the material supplier to go to the tax bureau to reissue the special ticket every other month. To be on the safe side, the tax bureau may make a wrong red stamp, then refund the tax, and then pay the tax and issue a new invoice. . . The tax refund involves the People's Bank of China. If your suppliers must have their own basic deposit account or something, otherwise people in some places may not agree to the tax refund. . . . . Therefore, taxpayers need to check carefully when issuing invoices on their behalf and deliver them to the payer in time. The payer will check it in time after receiving it. If there is any mistake, it is illegal to return it to the national tax department in time to cross out the redundant words and seal it. . . . . . Of course, you closed your eyes. . . It's no problem to keep this invoice. . . If the tax department doesn't bother you on purpose, then ignore it.