Section 2172 Of Article 4.5. Conditional Voter Registration From California Elections Code >> Division 2. >> Chapter 2. >> Article 4.5.

. (a) The elections official shall cancel any duplicate voter registrations that may exist as a result of a conditional registration deemed effective and shall cancel the duplicate registrations in accordance with Chapter 3 (commencing with Section 2200).
  (b) If it appears that a registrant may have committed fraud within the meaning of Section 18560, the elections official shall immediately notify in writing both the district attorney and the Secretary of State.