Amends Section 4 of SL 1991-792, as amended, paying any retired full time paid member of the fire department, as specified, a monthly amount from the Supplementary Pension Fund to be set by the Board of Trustees between $2 and $3.25 for each full year of service (current law pays $3.25). Clarifies that any eligible member of the fire department who becomes permanently disabled while in the furtherance of the member’s duties as a fireman and retires, as specified, receives the benefit amount equivalent to the benefit received by a retiree with 30 years of service.