31 CFR § 551.305 - Effective date.

---
identifier: "/us/cfr/t31/s551.305"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 551.305 - Effective date."
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "551.305"
section_name: "Effective date."
chapter_name: "OFFICE OF FOREIGN ASSETS CONTROL, DEPARTMENT OF THE TREASURY"
part_number: "551"
part_name: "SOMALIA SANCTIONS REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "3 U.S.C. 301; 31 U.S.C. 321(b); 50 U.S.C. 1601  1701  22 U.S.C. 287c; Pub. L. 101-410, 104 Stat. 890, as amended (28 U.S.C. 2461 note); E.O. 13536, 75 FR 19869, 3 CFR, 2010 Comp., p. 203; E.O. 13620, 77 FR 43483, 3 CFR, 2012 Comp., p. 281."
regulatory_source: "86 FR 22348, Apr. 28, 2021, unless otherwise noted."
cfr_part: "551"
---


# 551.305 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 listed in the Annex to E.O. 13536, as amended by E.O. 13620, 12:01 a.m. eastern daylight time, April 13, 2010;

(2) With respect to a person whose property and interests in property are otherwise blocked pursuant to § 551.201, 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 the prohibition set forth in § 551.207, 2:00 p.m. eastern daylight time, July 20, 2012.

(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*.