Legal analysis: the ticket cannot be paid without the signature of the traffic police. The ticket issued by the traffic police is invalid without the signature and seal of the traffic police. If it is entered into the system, administrative reconsideration can be filed, and the parties can decide whether to pay the fine according to the results of administrative reconsideration. But usually, if there is enough evidence to prove that the ticket is issued in violation of regulations, you still have to accept the punishment. According to the relevant regulations, if a law enforcement officer makes a decision on administrative punishment on the spot, he shall show his law enforcement identity certificate to the party concerned and fill in the written decision on administrative punishment in a predetermined format and number. The written decision on administrative punishment shall be delivered to the parties on the spot.

Legal basis: Article 34 of the Administrative Punishment Law of the People's Republic of China. If a law enforcement officer makes a decision on administrative punishment on the spot, he shall show his law enforcement identity certificate to the party concerned and fill in the written decision on administrative punishment in a predetermined format and number. The written decision on administrative punishment shall be delivered to the parties on the spot.