A signature is required at the back of the invoice.

The purpose of signing the invoice is:

If the invoice is fake, you can find the person responsible. If the invoice is genuine and cannot be deducted, the supplier can be found and the supplier is responsible for finding a billing unit to replace it.

Accounting should follow the principle of reflecting facts. The invoice is an original document and must:

1. Invoice signature: refers to an invoice approved and signed by the person in charge, witness, person in charge (or legal person).

2. The invoice signature can be signed face-to-face or opposite, and there is no fixed format.

Extended information:

Invoice identification method:

(1) Check the watermark

The real invoice is printed on special waterproof paper of. When you touch the watermark pattern with your hand, there is an obvious concave and convex feeling. In addition, under backlight conditions, there is a watermark with a tax stamp pattern, which looks relatively clear. The watermark on the fake invoice is not very concave and convex, and the pattern on the tax certificate will eventually be blurred.

(2) Prize viewing area

The winning area of ??the winning invoice is covered with laser foil, which can be easily and naturally scraped without using too much force. However, it can be difficult to scratch an invoice if you're not careful. Therefore, from the perspective of scraping, it is also possible to distinguish genuine invoices from fake invoices.