Legal analysis: A legally binding endorsement is generally the signature of the guarantee or guarantor. Endorsement belongs to a legal form of guarantee, that is, endorsement is an essential behavior, so it must conform to the legal form, that is, it must be delivered by endorsement to be effectively established.

Legal basis: People's Republic of China (PRC) Bill Law.

Article 28 If the bill voucher cannot meet the needs of the endorser to record the items, a self-adhesive bill may be attached to the bill voucher.

The first passenger on the sticky note should sign the bill of exchange and the sticky note.

Article 29 An endorsement shall be signed by the endorser and the date of endorsement shall be recorded.

If the date is not specified in the endorsement, it shall be deemed as an endorsement before the maturity date of the bill.

Article 30 Where a bill of exchange is transferred by endorsement or the rights of a bill of exchange are transferred by endorsement, the name of the endorsee must be recorded.

Legal effect of endorsement transfer

(1) The endorsement transfer does not require the consent of the bill debtor. When a bill is endorsed and transferred, the actor does not need to send a notice to the debtor of the bill, nor does he need to get a promise from the debtor of the bill. As long as the holder completes the endorsement, it constitutes an effective transfer of bill rights.

(2) The transferor of endorsement transfer does not withdraw from the bill relationship. After the endorsement transfer, the transferor does not withdraw from the bill relationship, but changes from the former bill holder to the bill debtor, and assumes the responsibility of guaranteeing acceptance and payment.

(3) Endorsement transfer has a stronger transfer effect. The transferee can be more fully protected by transferring the right to a bill by endorsement.

The law of negotiable instruments has designed a series of special systems to protect the rights of the transferee of negotiable instruments. First, the transferee can prove his legal obligee's identity by endorsing the continuous bill, without providing other proof.

Secondly, the assignee can claim to cut off the prior person-to-person defense against the bill debtor, so that its bill rights are not affected by the defense between the bill debtor and the prior endorser; Third, the transferee can claim bona fide acquisition.