Texas Statutes
Chapter 18B - Installation and Use of Tracking Equipment; Access to Communications
Subchapter D. Emergency Installation and Use of Certain Equipment

Article 18B.151. Emergency Installation and Use of Pen Register or Trap and Trace Device - (b) A peace officer authorized to possess, install, operate, or...

Article 18B.152. Order Authorizing Emergency Installation and Use - (1) promptly report the installation or use of the device...

Article 18B.153. Admissibility of Evidence Obtained - (1) does not apply for authorization for the pen register...