(a) A company shall provide notice of a proposed change to affected customers in the manner prescribed by the commission.
(b) Notice must:
(1) be provided not later than the 10th day before the effective date of the proposed change; and
(2) include:
(A) a description of the services affected by the proposed change;
(B) the effective date of the proposed change;
(C) an explanation of the customer's right to petition the commission for a review under Section 53.306, including the number of persons required to petition before a commission review will occur;
(D) an explanation of the customer's right to information concerning how to obtain a copy of the proposed tariff from the company;
(E) the amount by which the company's total regulated intrastate gross annual revenues will increase or decrease as a result of the proposed change; and
(F) a list of rates that are affected by the proposed rate change.