In the motor vehicle transfer agreement, the initiator is not a person, but a debtor. The signature of the sponsor needs to meet certain legal requirements, such as the place and date of signature. Signature is an important part of legal documents, which represents the recognition and commitment of individuals or entities to the contents of the documents. The author refers to the person who signs or signs official documents such as documents, contracts and certificates. , indicating that the person agrees with the contents of the document, states the facts or assumes relevant obligations.