Upon the application of a member or his or her department head, a member who has become or becomes totally and permanently incapacitated for duty in the service of the City, by reason of a personal injury or disease which the Retirement Board finds to have occurred solely and exclusively as the natural and proximate result of causes arising out of and in the course of his or her employment by the City, shall be retired by the Board after a medical examination of such member is made by or under the direction of a medical committee. Such committee shall consist of three physicians, one of whom shall be named by the Board, one by such member and the third by the first two physicians so named. Such committee, by majority opinion, in writing, shall certify to the Board that such member is mentally or physically totally incapacitated for the further performance of his or her duties in the service of the City, that his or her incapacity will probably be permanent and that he or she should be retired.
(1979 Code Sec. 2.80.160)