2007 California Elections Code Article 6. Misuse Of Signatures On Petition

CA Codes (elec:18650)

18650.  No one shall knowingly or willfully permit the list of
signatures on an initiative, referendum, or recall petition to be
used for any purpose other than qualification of the initiative or
referendum measure or recall question for the ballot, except as
provided in Section 6253.5 of the Government Code.  Violation of this
section is a misdemeanor.