(a) Upon the application of a member, or his or her department head, a member who has ten or more years of credited service, and who becomes totally and permanently incapacitated for duty in the employ of the City by reason of a personal injury or disease, may be retired by the Board of Trustees, provided that after a medical examination of such member, made by or under the direction of a medical committee consisting of three physicians, one of whom shall be named by the Board, one by the member and the third to be designated by the first two physicians so named, the medical committee certifies to the Board that:
(1) The member is physically or mentally totally incapacitated for duty in the employ of the City.
(2) His or her incapacity will probably be permanent.
(3) Such member should be retired.
(b) The ten years service requirement contained in this section shall be waived in the case of a member whom the Board finds:
(1) To be totally and permanently incapacitated for duty in the employ of the City as the natural and proximate result of a personal injury or disease arising out of and in the course of his or her actual employment with the City; and
(2) Is in receipt of worker's compensation on account of his or her physical or mental incapacity.
(1974 Code § 1.222)