After the accident the traffic police can buckle car how long will it take?

According to the "procedures" to deal with road traffic accidents
Twenty-eighth forNeed to collect evidenceThe traffic control department of the public security organ, canDetain the vehicle accident and the motor vehicle driving license, and issue the certificate administrative coercive measures. Vehicles and motor vehicle driving license shall properly keep the detained.
 The traffic control department of the public security organShall not detain the vehicle accident cargo. The cargo in the verification of weight, volume and the loss of goods, notify the driver or owner of the goods themselves. Unable to inform the party concerned or not to deal with, "the relevant provisions of the public security organ shall be handled in accordance with the provisions of the" procedures of administrative cases.
Thirty-seventh the need for inspection, identification, the traffic control department of the public security organ shallFrom the scene of the accident investigation from the date of the end of authentication institution within three days by qualified inspection, identification. Shall within three days at the date of death by autopsy.
The field survey, the end of three days after the date of inspection, identification of needs, it shall be approved by the traffic administrative department of the public security organ at a higher level.
Thirty-eighth traffic management departments of public security organs shall be agreed with the inspection, inspection, appraisal institution identification deadlines,The agreed period shall not exceed twenty days. More than twenty days, should be approved by the traffic administrative department of the public security organ at a higher level, but no longer than sixty days.
Forty-fourth inspection, appraisal conclusion determinedWithin five days, the traffic administrative department of the public security organ shall notify the party concernedA vehicle accident detainedThe motor vehicle driving license, and detention of goods.
 Escape to the driver of the vehicle or the parties without notice thirty days still do not receive the vehicle, after notice three months not to accept the deal, the detained vehicle handling.
    Can be seen,The public security departments only because of the need to collect evidence can buckle car(such as identification speed, brake light is qualified,Not because of the need for car buckle, buckle car should be carried out because of compensation required by Court Property Preservation Program),Examination time is generally not more than 30 days(the specific case may be shorter), inspection and identification is completed within five days, the traffic control department of the public security organ shall notify the party concerned to receive the accident vehicle, motor vehicle driving permit and detained the seized items.