Sec. 5.01. RETIREMENT BENEFITS. (a) If a member of the fund has contributed a portion of that member's salary as provided by this Act and has contributed and served for 20 years or more in the fire or police department, the board shall, on the application of the member for a retirement annuity, authorize a retirement annuity to the member.

(b) The board shall compute the retirement annuity of a member who retires after September 30, 1991, but before October 1, 1995, on the basis of the average of the member's total salary for the highest three years of the last five years, computed from the date of retirement, of the member's pay at the rate of two percent for each of the first 20 years served, plus 3-1/2 percent for each of the next 10 years served, plus one percent for each of the next five years served, with fractional years prorated based on full months served as a contributing member, but the annuity may not exceed, as of the date of retirement, 80 percent of the average so determined.

(c) The board shall compute the retirement annuity of a member who retires after September 30, 1995, but before October 1, 1997, on the basis of the average of the member's total salary for the highest three years of the last five years, computed from the date of retirement, of the member's pay at the rate of two percent for each of the first 20 years served, plus four percent for each of the next five years served, plus 3-1/2 percent for each of the next five years served, plus one percent for each of the next five years served, with fractional years prorated based on full months served as a contributing member. In making the computation for a year, the year is considered to begin on the first day a contribution is made. An annuity under this subsection may not exceed, as of the date of retirement, 82.5 percent of the average determined under this subsection.

(d) The board shall compute the retirement annuity of a member who retires after September 30, 1997, but before October 1, 1999, at the rate of two percent of the member's average total salary for each of the first 20 years of service, plus four percent of average total salary for each of the next 10 years of service, plus one percent of average total salary for each of the next five years of service, with fractional years of service prorated based on full months served as a contributing member. In making the computation for a year, the year is considered to begin on the first day a contribution is made. A retirement annuity under this subsection may not exceed, as of the date of retirement, 85 percent of the member's average total salary.

(e) The board shall compute the retirement annuity of a member who retires after September 30, 1999, but before October 1, 2001, at the rate of 2-1/8 percent of the member's average total salary for each of the first 20 years of service, plus four percent of the member's average total salary for each of the next 10 years of service, plus one percent of the member's average total salary for each of the next five years of service, with fractional years of service prorated based on full months served as a contributing member. In making the computation for a year, the year is considered to begin on the first day a contribution is made. A retirement annuity under this subsection may not exceed, as of the date of retirement, 87-1/2 percent of the member's average total salary.

(f) The board shall compute the retirement annuity of a member who retires after September 30, 2001, but before October 1, 2007, at the rate of 2-1/4 percent of the member's average total salary for each of the first 20 years of service, plus 4-1/2 percent of the member's average total salary for each of the next seven years of service, plus three percent of the member's average total salary for each of the next three years of service, plus one-half percent of the member's average total salary for each of the next four years of service, with fractional years of service prorated based on full months served as a contributing member. In making the computation for a year, the year is considered to begin on the first day a contribution is made. A retirement annuity under this subsection may not exceed, as of the date of retirement, 87-1/2 percent of the member's average total salary.

(f-1) The board shall compute the retirement annuity of a member who retires after September 30, 2007, at the rate of 2-1/4 percent of the member's average total salary for each of the first 20 years of service, plus five percent of the member's average total salary for each of the next seven years of service, plus two percent of the member's average total salary for each of the next three years of service, plus one-half percent of the member's average total salary for each of the next three years of service, with fractional years of service prorated based on full months served as a contributing member. In making the computation for a year, the year is considered to begin on the first day a contribution is made. A retirement annuity under this subsection may not exceed, as of the date of retirement, 87-1/2 percent of the member's average total salary.

(g) A member may not receive an award from the fund for service retirement until the member has at least 20 years of service in the fire or police department and has also contributed the required amount of money for at least 20 years. In determining the number of years of service in a department, the member shall be given full credit for the period the member was an active member plus the time the member was actively engaged in service with any uniformed service in accordance with Section 4.03 of this Act and for absences taken under the Family and Medical Leave Act of 1993 (29 U.S.C. Section 2601 et seq.), in accordance with Section 4.02 of this Act. Disciplinary suspensions of 15 days or less may not be subtracted from a member's service credit under this Act if the member has paid into the fund, within 30 days after the later of the termination date of each suspension or the exhaustion of any appeal with respect to the suspension, a sum of money equal to the amount of money that would have been deducted from that person's salary during that period of suspension if it had not been for that suspension. A municipality to which this Act applies shall double-match a payment made under this subsection. Members of the fund at the time of their retirement shall also receive service credit for all unused sick leave accumulated by them under Chapter 143, Local Government Code, but only to the extent the unused sick leave exceeds 90 days. Service credit for unused sick leave shall be prorated based on each full month of sick leave. A member's service credit under this section includes any service credit purchased in accordance with Subsections (k)-(m) of this section.

(h) All monthly pensions being paid by the fund to retirees who retired before October 1, 1989, are increased, effective with the first monthly payment due on or after October 1, 1999. The amount of the increase depends on the fiscal year ending September 30 in which the retiree retired and is a percentage of the pension payment that would have been payable on October 1, 1999, except for this increase. The amount of the percentage increase is:

(i) Beginning with the first monthly benefit payable by the fund after October 1, 2007:

(1) the monthly benefit payable by the fund to a retiree or a beneficiary of a deceased retiree or active member as a result of a service retirement, disability retirement, or death of an active member that occurred before October 1, 1989, increases by $200; and

(2) a monthly benefit that is divided and payable to more than one beneficiary in accordance with Section 6.02 of this Act increases by a total amount of $200.

(j) Beginning with the first monthly benefit payable by the fund after October 1, 2007:

(1) a monthly benefit payable by the fund to a retiree or a beneficiary of a deceased retiree or active member that is less than $1,850 per month, after taking into account the increase provided for in Subsection (i) of this section, increases to $1,850 per month; and

(2) a monthly benefit that is divided and payable to more than one beneficiary in accordance with Section 6.02 of this Act increases to a total amount of $1,850.

(k) A member employed for a probationary period by a municipality to which this Act applies may elect to purchase one month of service credit for each full month in the member's probationary period, up to a maximum of 10 months. For each month of service credit the member elects to purchase, the member shall pay to the fund, on or before September 30, 2010, an amount equal to the sum of:

(1) the member buyback contribution amount for the member; and

(2) interest on the amount determined under Subdivision (1) of this subsection at the rate of eight percent per annum, compounded annually, calculated for the period beginning on the first day after the class graduation date for the member's class and ending on the earlier of December 31, 2009, or the date the fund receives the payment required under this subsection.

(l) A member may not elect to purchase a partial month of service credit under Subsection (k) of this section. A member is not required to elect to purchase more than one month of service credit under Subsection (k) of this section. A member may make the payment required under Subsection (k) of this section only with qualified funds. A member must make an election under Subsection (k) of this section on or before December 31, 2009, in accordance with policies and procedures adopted by the board.

(m) An election under Subsection (k) of this section is void unless the member makes the full required payment before the earlier of the date of the member's retirement or the date of the member's death. If a member makes only partial payment before the earlier of the date of the member's retirement or the date of the member's death, the fund shall refund all payments received, without interest, to the member, if the member is alive, or to the member's estate, if the member is dead. The fund shall refund payment under this subsection not later than the 60th day after the date of the member's retirement or the date of the member's death, as applicable.