Cal. Elections Code § 2188

(a) Any application for voter registration information available pursuant to law and maintained by the Secretary of State or by the elections official of any county shall be made pursuant to this section. (b) The application shall set forth all of the following: (1) The printed or typed name of the applicant in full. (2) The complete residence address and complete business address of the applicant, giving street and number. If no street or number exists, a postal mailing address as well as an adequate designation sufficient to readily ascertain the location. (3) The telephone number of the applicant, if one exists. (4) The number of the applicant’s driver’s license, state identification card, or other identification approved by the Secretary of State if the applicant does not have a driver’s license or state identification card. (5) The specific information requested. (6) A statement of the intended use of the information requested. (c) If the application is on behalf of a person other than the applicant, the applicant shall, in addition to the information required by subdivision (b), set forth all of the following: (1) The name of the person, organization, company, committee, association, or group requesting the voter registration information, including their complete mailing address and telephone number. (2) The name of the person authorizing or requesting the applicant to obtain the voter registration information. (d) The elections official shall request the applicant to display his or her identification for purposes of verifying that identifying numbers of the identification document match those written by the applicant on the application form. (e) The applicant shall certify to the truth and correctness of the content of the application, under penalty of perjury, with the signature of his or her name at length, including given name, middle name or initial, or initial and middle name. The applicant shall state the date and place of execution of the declaration. (f) Completed applications for voter registration information shall be retained by the elections official for five years from the date of application. (g) This section shall not apply to requests for information by elections officials for election purposes or by other public agencies for governmental purposes. (h) The Secretary of State may prescribe additional information to be included in the application for voter registration information. (i) A county may not provide information for any political subdivision that is not wholly or partially contained within that county.