(a) Except as otherwise authorized by regulations, orders, directives, rulings, instructions, licenses, or otherwise, the property or property interests of the Government of the Russian Federation that are directly related to the implementation of the Highly Enriched Uranium (HEU) Agreements, that are in the United States, that hereafter come within the United States, or that are or hereafter come within the possession or control of U.S. persons are blocked and may not be transferred, paid, exported, withdrawn or otherwise dealt in.
(b) Unless otherwise authorized by this part or by a specific license expressly referring to this part, any attachment, judgment, decree, lien, execution, garnishment, or other judicial process is null and void with respect to any blocked property or interest in blocked property covered by this part.