Applicable only to cities and counties with a population of 150,000 or more, amends the definitions set forth in GS 15A-211(c) for terms used in Article 8 of GS Chapter 15A pertaining to the electronic recording of interrogations. Amends the definition of electronic recording to mean a visual recording that simultaneously makes an audio recording of the interrogation being recorded that is an authentic, accurate, unaltered record (currently, defined as an audio or visual recording as specified and directs that both a visual and audio recording should be produced simultaneously whenever feasible with a clarification that a defendant is prohibited from raising failure to do so as grounds for suppression of evidence).  Amends the definition of in its entirety to provide that the recording camera must insert the appropriate date and time stamps during the interrogation and that those dates must be displayed when the interrogation is played back. Makes conforming changes. Effective December 1, 2018, and applies to interrogations occurring on or after that date.