# 582.302 Effective date.(a) The term *effective date* refers to the effective date of the applicable prohibitions and directives contained in this part, and with respect to a person whose property and interests in property are otherwise blocked pursuant to § 582.201, the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked.(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 is published in the *Federal Register*.