(a) An IRO must have appropriate personnel reasonably available by telephone at least 40 hours per week during normal business hours in both Central and Mountain time zones.     
      (b) An IRO must have a dedicated telephone system capable of accepting or recording or providing instructions to incoming callers related to independent review during other-than-normal business hours, and must respond to calls no later than one working day from the date the call was received.     
     Source Note:        The provisions of this §12.207 adopted to be effective November 26, 1997, 22 TexReg 11363; amended to be effective December 26, 2010, 35 TexReg 11281; amended to be effective July 7, 2015, 40 TexReg 2538