(a) The district may charge a water service impact fee that is not greater than the capital recovery fee charged by the corporation on December 31, 2012, under the corporation's tariff.
(b) Chapter 395, Local Government Code, does not apply to an initial water service impact fee set under Subsection (a).
(c) The district may increase the water service impact fee authorized under Subsection (a) only as provided by Chapter 395, Local Government Code, as approved by the commission, or as otherwise provided by law.