How many days can I change the code from Baoding to Bozhou?

14 days. Information about the health code can be changed from Baoding to Bozhou 14 days. The time to update the attribution of Hebei branch code is 14 days. That is, after living in Hebei for more than 14 days, the code of travel itinerary in Hebei was updated to the place of residence, and the original travel itinerary was covered, so the original travel itinerary was no longer displayed.