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is necessary for the United Kingdom to take any action or 
      make any payment in order fully to protect, pursuant to the Act, 
      any of the rights of any citizen of the United States who has 
      patent rights in and to any such defense article or information, 
      the United Kingdom will do, so, when requested by the President.
 
      
 
 
7. Any defense articles, materials, or other personal property 
      to be returned, furnished, or paid to the United States hereunder, 
      shall be delivered or paid by the United Kingdom at such place 
      or places in the United States, or any place subject to the jurisdiction 
      thereof, as from time to time shall be determined by the President. 
      Any defense article or other property, service, information, 
      facility, or other consideration or benefit to which the United 
      States shall become entitled hereunder shall, in so far as the 
      rights, powers and privileges of the United States may thereby 
      be affected, be exempt and immune from any taxes, charges, restrictions, 
      regulations, and controls of any nature under laws of the United 
      Kingdom or any political subdivision thereof.
 
      
 
 
8. The United States may at any time cease furnishing the 
      defense articles, services and defense information referred to 
      in section 1 above. Such cessation shall not affect any of the 
      rights, powers, or privileges of the United States or of the 
      President hereunder or of any of the duties, liabilities, or 
      obligations of the United Kingdom, all of which shall continue 
      in effect until the