The accident identification letter made by the traffic police according to law is a kind of legal document that needs to be delivered to the accident party according to law, but whether the party signs for it does not affect the effectiveness of the accident identification letter, but will affect the effective time of the accident identification letter. In addition, if the accident party believes that the determination of the accident responsibility is illegal and reasonable, he/she needs to apply to the superior department for review within three days from the date of receiving the accident determination letter, and it will take effect if it expires. Therefore, the signing of the accident identification letter has a greater impact on the interests of the parties.
