Which of the following is considered a false statement regarding a blocked party on the OFAC list?

The choice that is considered a false statement regarding a blocked party on the OFAC (Office of Foreign Assets Control) list is that all transactions involving them are open. This is because once a party is listed on the OFAC's Specially Designated Nationals (SDN) list or under other sanctions, they are subject to stringent restrictions. U.S. persons and entities are generally prohibited from engaging in any transactions with those on the blocked list.

The concept of a blocked party means that they cannot participate in transactions as they normally would, and all transactions involving them require licensing or are otherwise prohibited. Therefore, it is inaccurate to say that all transactions involving them are open, as this contradicts the intent of the sanctions imposed on these parties.

The other statements align with the nature of sanctions. Blocked parties indeed cannot engage in business with U.S. entities, do have specific transactions they are allowed to receive depending on the nature of the sanctions, and can represent foreign interests which implies they exist outside U.S. jurisdictions. Thus, the assertion that all transactions involving them are open fundamentally misrepresents the restrictions imposed on those on the OFAC list.