Legal analysis: Invoice details are the attachments of special VAT invoices. Invoice details record the specific contents of the amount and tax included in the special VAT invoice: name, quantity, unit price, amount, tax amount, etc. The main reason is that there are many kinds of goods and small amount, and the number of lines of special VAT invoices is not enough, and the number of lines of special VAT invoices is supplemented by the attached table.

Legal basis: Article 7 of the Negotiable Instruments Law of People's Republic of China (PRC) is signed, sealed or signed and sealed. The signature of the legal person or other organization that uses the bill shall be the signature of the legal person or other organization plus the signature of its legal representative or its authorized agent. The signature on a bill of exchange shall be the real name of the party concerned.