Each client in a facility who is eligible to vote shall be given his right to vote in primary, special, and general elections and in referendums. The superintendent or regional state hospital administrator of each facility shall permit and reasonably assist clients:
(1) To obtain voter registration forms, applications for absentee ballots, and absentee ballots;
(2) To comply with other requirements which are prerequisite for voting; and
(3) To vote by absentee ballot if necessary.