Revenue and Taxation Code section 6388
(a)
Written evidence of an out-of-state registration for the vehicle.(b)
The purchaser’s affidavit attesting that he or she is not a resident of California and that he or she purchased the vehicle from a dealer at a specified location without the state for use outside this state.(c)
The purchaser’s affidavit that the vehicle has been moved or driven to a point outside this state within 30 days of the date of the delivery of the vehicle to him or her.
Source:
Section 6388, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=RTC§ionNum=6388.
(accessed May 10, 2025).