Section III-3: Mandatory primary system - Nomination of candidates.

    The Legislature may enact laws providing for a mandatory primary
system which shall provide for the nomination of all candidates in
all elections for federal, state, county and municipal offices, for
all political parties, except for the office of Presidential Elector,
the candidates for which shall be nominated by the recognized
political parties at their conventions.  The Legislature also shall
enact laws providing that citizens may, by petition, place on the
ballot the names of independent, nonpartisan candidates for office,
including the office of Presidential Elector.