(a) An initiative statute or referendum approved by a majority of votes thereon takes effect the day after the election unless the measure provides otherwise. If a referendum petition is filed against a part of a statute the remainder shall not be delayed from going into effect.

  (b) If provisions of 2 or more measures approved at the same election conflict, those of the measure receiving the highest affirmative vote shall prevail.

  (c) The Legislature may amend or repeal referendum statutes.

It may amend or repeal an initiative statute by another statute that becomes effective only when approved by the electors unless the initiative statute permits amendment or repeal without their approval.

  (d) Prior to circulation of an initiative or referendum petition for signatures, a copy shall be submitted to the Attorney General who shall prepare a title and summary of the measure as provided by law.

  (e) The Legislature shall provide the manner in which petitions shall be circulated, presented, and certified, and measures submitted to the electors.