The term effective date refers to the effective date of the applicable prohibitions and directives contained in this part as follows:
(a) With respect to a person listed in the Annex to E.O. 13667 of May 12, 2014, 12:01 a.m. eastern daylight time, May 13, 2014; and
(b) With respect to a person whose property and interests in property are otherwise blocked pursuant to Sec. 553.201, the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked.