(a) Smoke detectors must be installed and maintained according to the manufacturer's instructions or in compliance with the state or local fire inspector's instructions.
(b) Batteries must be changed annually or sooner, as required to maintain operable smoke detector units.

Source Note: The provisions of this §748.3109 adopted to be effective January 1, 2007, 31 TexReg 7377; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909