Sec. 6.021. AUTHORITY TO ADOPT ALTERNATIVE MULTIPLIERS FOR COMPUTATION OF CERTAIN GROUP B BENEFITS. (a) For purposes of Section 6.02(c-1) or (d)(2) of this article, the board by rule may adopt alternative multipliers, including an alternative table prescribing actuarially appropriate multipliers. In adopting rules under this subsection, the board shall designate the date on which the alternative multiplier shall take effect.

(b) Copies of any alternative multipliers adopted under this section must be maintained at the principal office of the pension system and published on the pension system's publicly available Internet website.