April 14, 2016 FISCR Opinion

Document Date: April 14, 2016
Release Date: August 18, 2016
Agency: Government
Document Type: FISA Court Orders/Opinions
Legal Authority: FISA PR/TT

This FISC opinion rules on the legality of the government's collection of post-cut through digits (PCTD) using a pen register and trap trace (PRTT) device under Title IV of FISA. Title IV authorizes the government to use a PRTT device for dialing, routing, addressing or signaling (DRAS) information and not does authorize the use of PRTT to view the contents of a communication.