(a) Any member with ten or more years of contributing service and who during covered employment: (1) Has been or becomes totally disabled from any cause other than those set forth in section nineteen of this article and not due to vicious habits, intemperance or willful misconduct on his or her part; and (2) in the opinion of two physicians after medical examination, one of whom shall be named by the board, he or she is by reason of the disability unable to perform adequately the duties required of an emergency medical services officer, is entitled to receive and shall be paid from the fund in monthly installments, the compensation set forth in, either subsection (b) or (c) of this section.

(b) If the member is totally disabled, he or she shall receive sixty-six and two-thirds percent of his or her average monthly compensation for the twelve-month period immediately preceding the disability award, or if the member has not worked all twelve months during the twelve month period immediately preceding the disability award, the average of the months in which compensation was received for the twelve month period shall be used.

(c) If the member remains totally disabled until attaining sixty years of age, then the member shall receive the retirement benefit provided in sections sixteen and seventeen of this article.

(d) 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 for the position last held by the member.

(e) 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.