To hold accountable Members of Congress who advocate on behalf of a foreign person or commercial entity for the purpose of influencing or seeking a change in a law or regulation of the United States that would ease any restriction on a state sponsor of terrorism, and for other purposes.

Amends the the Foreign Agents Registration Act of 1938, as amended, to consider as an "agent of a foreign principal" a Member of Congress who advocates on behalf of a foreign person or commercial entity in order to influence or change any U.S. law or regulation that would ease restrictions on a state sponsor of terrorism.

Amends the Trade Sanctions Reform and Export Enhancement Act of 2000 to state that any agreement or action for by a U.S. person, including a Member of Congress, on behalf of a foreign person in order to influence or change any U.S. law or regulation that would ease restrictions on a state sponsor of terrorism, or provide a financial benefit to the foreign person or business concern shall be deemed to be prohibited U.S. export assistance.

Expresses the sense of Congress that any Member of Congress who enters into any such agreement or takes any action on behalf of a foreign person should be sanctioned under the appropriate rules of the Senate or the House of Representatives.