Article IV BUILDINGS AND BUILDING REGULATIONS This article is included in your selections. Sections: Division 1. GenerallySec. A4-1 – A4-15. Reserved. Division 2. PlumbingSec. A4-16. Public policy.Sec. A4-17. Powers.Sec. A4-18. Ratification of prior regulatory measures, fees and penalties.Sec. A4-19. Plumbing ordinances continued in effect. Cross References: Construction and building licenses, Chapter 5.63, TMC; buildings and building regulations, TMC Title 14.