Section 2 of Executive Order 13871 is implemented in section 561.205 of the Iranian Financial Sanctions Regulations, 31 CFR part 561.

The names of persons listed in or designated pursuant to Executive Order 13553, whose property and interests in property therefore are blocked pursuant to this section, are published in the Federal Register and incorporated into the Office of Foreign Assets Control's Specially Designated Nationals and Blocked Persons List (“SDN List”) with the identifier “[IRAN–HR].” The names of persons designated pursuant to section 1 of Executive Order 13871, whose property and interests in property therefore are blocked pursuant to this section, are published in the Federal Register and incorporated into the SDN List with the identifier “[IRAN–EO13871].” The SDN List is accessible through the following page on the Office of Foreign Assets Control's website: http://www.treasury.gov/sdn. Additional information pertaining to the SDN List can be found in appendix A to this chapter. See § 562.406 concerning entities that may not be listed on the SDN List but whose property and interests in property are nevertheless blocked pursuant to this section.

The International Emergency Economic Powers Act (50 U.S.C. 1701–1706), in Section 203 (50 U.S.C. 1702), authorizes the blocking of property and interests in property of a person during the pendency of an investigation. The names of persons whose property and interests in property are blocked pending investigation pursuant to Executive Order 13553 also are published in the Federal Register and incorporated into the SDN List with the identifier “[BPI–IRAN–HR].” The names of persons whose property and interests in property are blocked pending investigation pursuant to Executive Order 13871 also are published in the Federal Register and incorporated into the SDN List with the identifier “[BPI–IRAN–EO13871].”

Sections 501.806 and 501.807 of this chapter describe the procedures to be followed by persons seeking, respectively, the unblocking of funds that they believe were blocked due to mistaken identity, or administrative reconsideration of their status as persons whose property and interests in property are blocked pursuant to this section.