Sec. 7. (a) This section does not apply to a vacancy filled by a county chairman under section 5(c) of this chapter.
(b) A person who wishes to be a candidate for pro tempore appointment to fill a vacancy under this chapter must file:
(1) a declaration of candidacy with the chairman of the caucus; and
(2) a statement of economic interests with the commission on judicial qualifications if the vacancy is in the office of prosecuting attorney;
at least seventy-two (72) hours before the time fixed for the caucus.