Sec. 9. (a) An employee or former employee who:
(1) is diagnosed with an exposure related cancer, exposure related heart or lung disease, or exposure related Parkinson's disease that:
(A) requires medical treatment; or
(B) results in total or partial disability; and
(2) at the time of the diagnosis:
(A) is actively employed; or
(B) has terminated employment not more than sixty (60) months earlier;
is presumed to have a disability incurred in the line of duty.
(b) The presumption described in subsection (a) may be rebutted by competent evidence.
(c) A meeting or hearing held to rebut the presumption described in subsection (a) may be held as an executive session under IC 5-14-1.5-6.1(b)(1).