22 Tex. Admin. Code § 509.2
If a state or federal law so requires the board to do so or if there is an imminent peril to the public health, safety or welfare, the board may adopt, revise, or waive board rules pursuant to §2001.034 of the Texas Government Code without prior notice. The emergency rule may be effective for no longer than 120 days and may be renewed once for up to 60 days.
Source Note:The provisions of this §509.2 adopted to be effective September 15, 1980, 5 TexReg 3561; amended to be effective October 15, 2008, 33 TexReg 8515; amended to be effective August 3, 2017, 42 TexReg 3785; amended to be effective July 30, 2025, 50 TexReg 4932.