Section 2193 Of Article 5. Voter Registration Index From California Elections Code >> Division 2. >> Chapter 2. >> Article 5.

. The Secretary of State shall, upon the request of a county elections official, compile, from the information furnished by the county elections officials pursuant to Section 2187, a file of potential duplicate voter registrations. The county elections official may immediately cancel those voter registrations which, upon investigation, are determined to be duplicates. The voter registration bearing the later date shall remain in effect.