When and how can I get my car back when I was detained by the police for a criminal case? Can I claim compensation during my detention?

Hello, according to the provisions of Article 107 of the Regulations on the Implementation of the Road Traffic Safety Law, the driver, owner or manager of the motor vehicle detained in accordance with the provisions of Articles 92, 95, 96 and 98 of the Road Traffic Safety Law failed to provide the legal certificate of the detained motor vehicle within 30 days, failed to go through the corresponding formalities, or failed to come to handle it, and still failed to handle it after being notified and announced by the traffic management department of the public security organ for three months. Dismantle illegally assembled motor vehicles; Motor vehicles that meet the scrapping standards shall be scrapped; Motor vehicles involved in other illegal and criminal acts shall be handed over to the relevant departments for handling.

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Handling of related expenses after traffic police detain vehicles;

According to Article 58 of the Procedures for Handling Road Traffic Accidents, the expenses incurred by detaining vehicles shall be borne by the traffic administrative department of the public security organ that made the decision, but the traffic administrative department of the public security organ shall notify the parties to collect them, and the parking fees incurred by failing to collect them within the time limit shall be borne by the parties themselves. If the vehicle has not been collected after 30 days' notice and 3 months' notice, the vehicle will be detained according to law.

According to the situation you described, the loss of your car was caused by someone else. You can ask others to compensate you for these losses through prosecution.