A person may prove he or she is a citizen by his or her certification under penalty of perjury on the affidavit of registration.
Cal. Elec. Code § 2111
General Provisions
Enacted by Stats. 1994, Ch. 920, Sec. 2.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.