This table summarizes substantive changes made to ICE’s National Detention Standards (NDS), and compares the version officially released on December 19, 2019 (NDS 2019), with the prior and initial version released in September 2000 (NDS 2000). This table does not track differences between the NDS 2019 and ICE’s Performance Based National Detention Standards (PBNDS). For more information, please contact Eunice Cho, ACLU National Prison Project, echo@aclu.org.