(a) In this section, “affected person” has the meaning assigned by § 13.002, Water Code.
(b) The board shall establish a process to ensure that, before the authority makes a significant change to a rate or charge for the sale and use of water, affected persons are provided:
(1) notice of the proposed change; and
(2) an opportunity to provide to the board comments regarding the proposed change.

(c) The process established under Subsection (b) must include:
(1) the provision of notice of a proposed change:
(A) on the authority’s website; and
(B) in an affected person‘s utility bills; and
(2) appropriate informational meetings or rate hearings that provide affected persons the opportunity to provide public comments about the proposed change to be held:
(A) before sending a statement of intent required under Chapter 13, Water Code;
(B) in locations as necessary to enable affected persons to attend; and
(C) after the provision of notice under Subdivision (1).
(d) The board by rule shall establish a percentage change in a rate or charge such that a change greater than or equal to that percentage is considered significant for purposes of Subsection (b).