Section 29-111 - Special disability retirement - State Police Retirement System(a) This section applies to the State Police Retirement System.(b) Except as provided in § 24-401.1(k) of this article, the Board of Trustees shall grant a special disability retirement allowance to a member if:(1) the member is totally and permanently incapacitated for duty arising out of or in the course of the actual performance of duty without willful negligence by the member; and(2) the medical board certifies that:(i) the member is totally incapacitated, either mentally or physically, for the further performance of duty;(ii) the incapacity is likely to be permanent; and(iii) the member should be retired.(c) Except as provided in subsection (d) of this section, a special disability retirement allowance equals the lesser of: (1) the member's average final compensation; or(2) the sum of: (i) an annuity that is the actuarial equivalent of the member's accumulated contributions at retirement; and(ii) a pension equal to two-thirds of the member's average final compensation.(d)(1) This subsection applies to a member who is at least normal retirement age.(2) A special disability retirement allowance equals the greater of:(i) a normal service retirement allowance; or(ii) a special disability retirement allowance computed in accordance with subsection (c) of this section.