Section 4. Disqualifications.

(a) No person convicted of a felony, or adjudicated in this or any other state to be mentally incompetent, shall be qualified to vote or hold office until restoration of civil rights or removal of disability. Except as provided in subsection (b) of this section, any disqualification from voting arising from a felony conviction shall terminate and voting rights shall be restored upon completion of all terms of sentence including parole or probation.
(b) No person convicted of murder or a felony sexual offense shall be qualified to vote until restoration of civil rights.
(c) No person may appear on the ballot for re-election to any of the following offices:
(1) Florida representative,
(2) Florida senator,
(3) Florida Lieutenant governor,
(4) any office of the Florida cabinet,
(5) U.S. Representative from Florida, or
(6) U.S. Senator from Florida

if, by the end of the current term of office, the person will have served (or, but for resignation, would have served) in that office for eight consecutive years.