(a) The regulated entity shall develop, maintain, and use a standard operating procedure for fire protection personnel operating at emergency incidents.     
      (b) The standard operating procedure shall:      
        (1) specify an adequate number of personnel to safely conduct emergency scene operations;       
        (2) limit operations to those that can be safely performed by personnel at the scene;       
        (3) require all personnel to be trained in and use the standard operating procedures; and       
        (4) comply with §435.17 of this title (relating to Procedures for Interior Structural Fire Fighting (2-In/2-Out Rule)).       
      (c) The regulated entity may use standards established by the National Fire Protection Association for fire protection personnel operating at an emergency incident.     
     Source Note:        The provisions of this §435.15 adopted to be effective March 24, 2002, 27 TexReg 2242; amended to be effective December 8, 2022, 47 TexReg 8048