Tex. R. Civ. P. 143
As amended through November 19, 2024
A party seeking affirmative relief may be ruled to give security for costs at any time before final judgment, upon motion of any party, or any officer of the court interested in the costs accruing in such suit, or by the court upon its own motion. If such rule be entered against any party and he failed to comply therewith on or before twenty (20) days after notice that such rule has been entered, the claim for affirmative relief of such party shall be dismissed.
Tex. R. Civ. P. 143