Evidence of purchase.
        
        
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            Law
          
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                CFR 19
              
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                Customs Duties
              
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                U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury
              
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                Personal Declarations and Exemptions
              
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                Unaccompanied Shipments From American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, or the Virgin Islands of the United States
              
- Evidence of purchase.
            
  A sales slip, invoice, or other evidence of purchase, shall be presented with the declaration for all unaccompanied articles. 
  [T.D. 78-394, 43 FR 49790, Oct. 25, 1978] 
          
           
           
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