If you use smoke detectors, they must be installed and maintained according to the manufacturer's instructions or in compliance with the state or local fire marshal's instructions.     
     Source Note:        The provisions of this §744.3617 adopted to be effective September 1, 2010, 35 TexReg 7469; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909