(a) In this section, “International Swimming Pool and Spa Code” means the International Swimming Pool and Spa Code promulgated by the International Code Council.
(b) To protect the public health, safety, and welfare, the International Swimming Pool and Spa Code, as it existed on May 1, 2019, is adopted as the municipal swimming pool and spa code in this state. A municipality may adopt a more recent version of the International Swimming Pool and Spa Code to apply in the municipality.

(b-1) To the extent a provision of a code adopted by a municipality under Subsection (b) conflicts with a law of this state or a regulation on pool operation and management, water quality, safety standards unrelated to design and construction, signage, or enclosures, the law or regulation controls.
(c) The International Swimming Pool and Spa Code applies to all construction, alteration, remodeling, enlargement, and repair of swimming pools and spas in a municipality that elects to regulate pools or spas, including under § 214.101.
(d) A municipality may establish procedures for:
(1) the adoption of local amendments to the International Swimming Pool and Spa Code; and
(2) the administration and enforcement of the International Swimming Pool and Spa Code.
(e) A municipality may review and adopt amendments made by the International Code Council to the International Swimming Pool and Spa Code after May 1, 2019.