Texas Code of Criminal Procedure - CRIM P Art. 18B.152. Order Authorizing Emergency Installation and Use

(a) A peace officer who installs or uses a pen register or trap and trace device under Article 18B.151 shall:

(b) A judge may issue an order authorizing the installation and use of a device under this subchapter during the 48-hour period prescribed by Subsection (a)(2).  If an order is denied or is not issued within the 48-hour period, the peace officer shall terminate use of and remove the pen register or trap and trace device promptly on the earlier of the denial or the expiration of 48 hours.