E.O. 13846 is effective at 12:01 a.m. eastern daylight time (EDT) on August 7, 2018. However, certain sanctions set out in E.O. 13846 apply only to activities that take place on or after November 5, 2018, as set out in FAQ 598 above and in the relevant provisions of E.O. 13846.
E.O. 13846 is being issued to coincide with the end of the 90-day wind down period which started on May 8, 2018. The last day of the 90-day wind-down period is August 6, 2018, and, as announced on May 8, 2018, certain sanctions previously lifted under the JCPOA will be reimposed on August 7, 2018, including sanctions set out in E.O. 13846 (see FAQ 598 above).