What does the restriction on second-hand car relocation mean?

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The restriction on second-hand car relocation means that some vehicles from other regions with excessively low emission standards are not allowed to be relocated locally. Below is a relevant introduction to the relocation restriction: 1. Meaning: The so-called "relocation restriction" refers to measures taken by some localities to restrict the environmental standards or age of second-hand motor vehicles from other provinces or cities, in order to prevent a large influx of these vehicles into the local market. To put it simply: the restriction on second-hand car relocation means that cross-regional transfer of ownership must comply with the licensing policies of the destination region. That is, some vehicles from other regions with excessively low emission standards are not allowed to be relocated locally. 2. Cancellation of relocation restrictions: The cancellation of relocation restrictions means lifting the limitation that vehicles from one region cannot be relocated to another due to local emission standards. For example, if the emission standard in Huainan is China 2 and in Beijing it is China 4, vehicles from Huainan cannot be relocated to Beijing. With the cancellation, vehicles with higher standards can be relocated to regions with lower standards, but not vice versa.