Cal. Const. art. II § 4 : — VOTING, INITIATIVE AND REFERENDUM, AND RECALLSection 4 TEXT PDF The Legislature shall prohibit improper practices that affect elections and shall provide for the disqualification of electors while mentally incompetent or serving a state or federal prison term for the conviction of a felony. Cal. Const. art. II § 4 Amended November 3, 2020, by initiative Proposition 17, Res. Ch. 24, eff. 12/16/2020.