---
kind: "section"
citation: "31 C.F.R. § 548.305"
title: "31"
number: "548.305"
heading: "Effective date."
url: "https://uscodex.org/cfr/31/548.305"
---

# §548.305. Effective date.

- (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 a person whose property and interests in property are blocked pursuant to § [548.201(a)(1)](/cfr/31/548.201.md?p=a-1), [12](/cfr/31/12.md):01 a.m. eastern daylight time, June 19, 2006;
  - (2) With respect to a person whose property and interests in property are otherwise blocked pursuant to [§ 548.201](/cfr/31/548.201.md), the earlier of the date of actual or constructive notice that such person's property and interests in property are blocked; and
  - (3) With respect to transactions prohibited by [§ 548.202](/cfr/31/548.202.md), the earlier of the date of actual or constructive notice of such prohibition.
- (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 notice of a prohibition pursuant to [§ 548.202](/cfr/31/548.202.md), is published in the Federal Register.

## Notes

### Authority

Authority: 3 U.S.C. 301; 31 U.S.C. 321(b); 50 U.S.C. 1601 et seq., 1701 et seq.; Pub. L. 101-410, 104 Stat. 890, as amended (28 U.S.C. 2461 note); E.O. 13405, 71 FR 35485, 3 CFR, 2006 Comp., p. 231; E.O. 14038, 86 FR 43905, 3 CFR, 2021 Comp., p. 626.

### Source

Source: 88 FR 18039, Mar. 27, 2023, unless otherwise noted.