1. (a) The governing body of a municipality that issues bonds under this subchapter shall establish rates for sewer service in amounts sufficient to:

   1. (1) pay:

      1. (A) maintenance and operation expenses;
      2. (B) the bonds as they are scheduled to mature; and
      3. (C) interest on the bonds as it accrues; and
   2. (2) establish and maintain any fund provided in the ordinance authorizing the bonds.

2. (b) Notwithstanding Subsection (a), the municipality may not, during the term of a contract for sewer service, increase the amount of the consideration for that service specified in the contract except:

   1. (1) as the contract provides; or
   2. (2) as the parties to the contract agree.

Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.