Section 14247 Of Article 3. Challenging A Voter From California Elections Code >> Division 14. >> Chapter 3. >> Article 3.

. Challenges of voters that they are not residents of the precinct or citizens of the United States shall be tried and determined by the precinct board at the time of the challenge. The precinct board may, at its discretion, also request any other person, present in the polling place to be sworn and answer questions, whom the board believes may have knowledge or information concerning the facts of the challenge.