Sell or transfer your vehicle.
According to VC 14600a, you have 10 days to notify the DMV of a change of address, for which they will issue you a paper document which you must present with your license when stopped. Failure to notify the DMV within 10 days is a citable offense.
When selling your vehicle.
You have 5 days(week) to transfer to the dmv.
In Oregon, the DMV within 30 days
Within 10 days of the collision no matter how much damage occurred.
You do not need to report it to the police you need to report it to the DMV within 5 days.
This is governed by state law, but most states require you to change your address with the DMV within 30 days.