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 the Government of Libya, as defined in Sec. 570.304, or a person listed in the Annex to Executive Order 13566, 8 p.m. eastern standard time, February 25, 2011; or
(b) With respect to a person whose property and interests in property are otherwise blocked pursuant to Executive Order 13566, the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked.