Sec. 19. (a) The ballot provided for the initial election of supervisors of a newly reestablished district must contain the following:
(1) The names, in alphabetical order of the surnames, of all the nominees on behalf of whom valid nominating petitions have been filed.
(2) A square in front of each name.
(3) Instruction to insert an X mark in the square before any three (3) of the names to indicate the voter's preference.
(b) A land occupier whose tract of land is located within the newly reestablished district is eligible to vote in the election.