1. If it is an official document signature, it should be signed separately according to the format of the document issuing cover.
2. If you sign informal documents, you should sign them step by step according to the level from low to high. Generally, the low-level signature is in the lower right of the title of the home page, and the high-level signature is in the upper left or upper right of the title of the home page. Try not to sign these two positions for low-level signatures.
3. If it is an invoice signature, it should be signed in the format column specified in the invoice. Generally, the low-level signature is at the bottom, and the signature position can be increased in turn.
4. If the official document is written by a joint organ, the signature of the issuing organ shall be arranged in the corresponding position according to the order of the issuing organ, and the seal shall be one-to-one and correctly centered.
5. If it is an official document such as an order or a motion, it must be signed or stamped by the leader, but it cannot be stamped with the official seal.