California Code of Regulations
Title 2 - Administration
Division 7 - Secretary of State
Chapter 1 - Voter Registration
Article 2.5 - Statewide Voter Registration System
Section 19081 - Inactivating and Cancelling Voters

(a) If mailings have been returned as undeliverable, or if NCOA, Operation Mail, a returned mailing, or postal service change-of-address data indicates that a voter has moved and left no forwarding address or moved out of state, the county elections official shall send a forwardable address confirmation mailing to the voter at that same address, which must be in the form required by Section 8(d)(2) of the NVRA (52 U.S.C. Section 20507(d)(2)).

(b) Upon the sending of the notice described in subdivision (a), the county elections official shall update the voter's record to inactive status.

(c) An inactive voter retains the legal right to vote, but need not be mailed election materials. A voter who does not respond to the notice described in subdivision (a) prior to the 15th day before the date of an election may have to provide proof of their residence address in order to vote.

(d) The registration of a voter who is sent a notice described in subdivision (a) shall be cancelled pursuant to Section 303(a)(4)(A) of HAVA (52 U.S.C. Sections 21083(a)(4)(A)) and Sections 8(a)(4) and 8(d)(3) of the NVRA (52 U.S.C. Sections 20507(a)(4), (d)(3)) unless the voter:

(e) The county elections official shall cancel a voter's registration for reasons described in Elections Code section 2201(a).

(f) Prior to cancelling a voter's registration based on a written request submitted by the voter, the county elections official shall determine that the signature on the written request and, if provided, the date of birth and/or California driver license or identification card number appear to be the same as that on the affidavit of registration. A scanned copy of the cancellation request shall be attached to the voter record as verification.

(g) Upon cancellation of a registration pursuant to subdivision (f), the county elections official shall confirm in writing to the requestor, within 30 days of receipt of the request, that the registration has been cancelled pursuant to the request.