[Code of Federal Regulations] [Title 31, Volume 3] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 31CFR542.302] [Page 243] TITLE 31--MONEY AND FINANCE: TREASURY CHAPTER V--OFFICE OF FOREIGN ASSETS CONTROL, DEPARTMENT OF THE TREASURY PART 542_SYRIAN SANCTIONS REGULATIONS--Table of Contents Subpart C_General Definitions Sec. 542.302 Effective date. With respect to a person whose property or interests in property are blocked pursuant to a designation under Sec. 542.201(a), the effective date is the earlier of the date on which either actual notice or constructive notice is received of such person's designation.