Dec 22, 2016
Obama Administration Scraps Post-9/11 Immigrant Registry: In a move to preemptively block its use by the incoming administration, President Barack Obama’s administration officially dismantled the regulatory framework for the National Security Entry-Exit Registration System (NSEERS). The program, which had been dormant since 2011, had required registration and tracking of male immigrants from predominantly Muslim countries.
https://en.wikipedia.org/wiki/National_Security_Entry-Exit_Registration_System