No stipulation or agreement with respect to any matter in a complaint shall be effective unless it has been:
  (1) reduced to writing and signed by each person making the stipulation or agreement, or by that person's authorized representative; or
  (2) entered into the record during the course of a hearing.

Source Note: The provisions of this §12.19 adopted to be effective December 31, 1993, 18 TexReg 9711; amended to be effective July 5, 2004, 29 TexReg 6251