Tex. Code Crim. Proc. art. 1.21
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Senators and Representatives shall, except in cases of treason, felony or breach of the peace, be privileged from arrest during the session of the Legislature, and in going to and returning from the same, allowing one day for every twenty miles such member may reside from the place at which the Legislature is convened.
Tex. Code Crim. Proc. § 1.21