(1) Except as provided in subsection (3), if the board finds that a member died as a direct and proximate result of injury received in the course of the member's service or duty, a survivorship benefit must be paid to the member's designated beneficiary.
(2) The survivorship benefit is the member's service retirement benefit standing to the member's credit on the date of death.
(3) If the member was retired at the time of death, the provisions of 19-5-701 and 19-5-802 (2) through (4) apply.