Sec. 5.09. AMENDMENTS INCREASING CONTRIBUTIONS BY MEMBERS. (a) An amendment to the administrative rules that increases member contributions must be adopted in accordance with the procedures provided by Sections 5.07(a) through (e) of this article for adopting an amendment governing municipal contributions.

(b) Notwithstanding any other law, an amendment made in accordance with Subsection (a) of this section may require a participating member to contribute an amount that exceeds 10 percent of the compensation paid to the participating member for each payroll period.