Yes. You may use potty-chairs, but a potty chair is not a substitute for a flush toilet required under §747.4201 of this title (relating to How many sinks and toilets must I have for children's use?).

Source Note: The provisions of this §747.4207 adopted to be effective September 1, 2003, 28 TexReg 1462; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909