Cal. Elec. Code § 2227
(b) If the county elections official contracts with a consumer credit reporting agency or its licensees pursuant to subdivision (a), all of the following shall occur:
(c)
(e) Based on change-of-address data received from a consumer credit reporting agency or its licensees, the county elections official shall send a forwardable notice, including a postage-paid and preaddressed return form, which may be in the form of a postcard, to the registered voter to enable the voter to verify or correct address information. The forwardable notice shall be in substantially the following form:
“We have received notification that you have moved to a new residence address in ____ County. You will remain registered to vote at your old address unless you notify our office that the address to which this card was mailed is a change of your permanent residence. Please notify our office in writing by returning the attached postage-paid postcard. If this is not a permanent residence, and you do not wish to change your address for voting purposes, please disregard this notice.”
(f) The county elections official shall take all of the following actions as appropriate: