(a) The term effective date refers to the effective date of the applicable prohibitions and directives contained in this part as follows:

(1) With respect to prohibited transfers or other dealings in blocked property and interests in property of the Government of Syria, as defined in § 542.308, 12:01 a.m. eastern daylight time, August 18, 2011;

(2) With respect to a person whose property and interests in property are blocked pursuant to § 542.201(a)(5), 1 p.m. eastern daylight time, April 29, 2011;

(3) With respect to a person whose property and interests in property are blocked pursuant to § 542.201(a)(7), 1 p.m. eastern daylight time, May 18, 2011;

(4) With respect to a person whose property and interests in property are blocked pursuant to § 542.201(a)(9), 12:01 a.m. eastern daylight time, April 23, 2012;

(5) With respect to a person whose property and interests in property are otherwise blocked pursuant to § 542.201, the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked;

(6) With respect to the transactions prohibited by §§ 542.206 through 542.210, 12:01 a.m. eastern daylight time, August 18, 2011; and

(7) With respect to the transactions prohibited by § 542.212, the earlier of the date of actual or constructive notice that such prohibitions apply to the foreign person determined to be subject to the prohibitions in § 542.212.

(b) 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, or a notice of the imposition of a prohibition imposed pursuant to § 542.212, is published in the Federal Register.