Documentation: When I do the "registration of accommodation at the local police station" after entering China or changing location in China, what does "local" mean?

When I do the "registration of accommodation at the local police station" after entering China or changing location in China, what does "local" mean? Same district? Same municipality? Same province? Within a certain radius? Anywhere in China?


From the back of the exit card issued by Chinese immigration upon entering China:

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but it does not establish the amount of time allowed to declare a change of accommodation.