Tex. Code Crim. Proc. art. 24.08
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
A witness cited to show cause, as provided in the preceding Article, may do so under oath, in writing or verbally, at any time before judgment final is entered against him; but if he fails to show cause within the time limited for answering in civil actions, a judgment final by default shall be entered against him.
Tex. Code Crim. Proc. § 24.08