(b) If the member is totally disabled, he or she shall receive sixty-six and two-thirds percent of his or her average full monthly compensation for the twelve-month contributory period preceding the disability award, or the shorter period, if the member has not worked twelve months.
(c) If the member is partially disabled, he or she shall receive thirty-three and one-third percent of his or her average full monthly compensation for the twelve-month contributory period preceding the disability award, or the shorter period, if the member has not worked twelve months.
(d) If the member remains disabled until attaining sixty years of age, then the member shall receive the retirement benefit provided in sections eleven and twelve of this article.
(e) The board shall propose legislative rules for promulgation in accordance with the provisions of article three, chapter twenty-nine-a of this code concerning member disability payments so as to ensure that the payments do not exceed one hundred percent of the average current salary in any given county for the position last held by the member.
(f) The disability benefit payments will begin the first day of the month following termination of employment and receipt of the disability retirement application by the Consolidated Public Retirement Board.