31 CFR § 594.302 - Effective date.
The term effective date refers to the effective date of the applicable prohibitions and directives contained in this part as follows:
(a)
(1) With respect to a person whose property and interests in property are blocked pursuant to § 594.201(a)(1) and who appeared on the Annex to E.O. 13224 as issued on September 23, 2001, 12:01 a.m. eastern daylight time, September 24, 2001;
(2) With respect to a person whose property and interests in property are blocked pursuant to § 594.201(a)(1) and who was added to the Annex to E.O. 13224 after September 23, 2001, the date the person was added to the Annex to E.O. 13224, as amended;
(b) With respect to a person whose property or interests in property are blocked pursuant to § 594.201(a)(2) through (a)(11), the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked pursuant to one or more of these sections.
(c) For the purposes of this section, constructive notice is the date that a notice of the blocking of the relevant person's property and interests in property is published in the Federal Register.