§ 555.110 Furnishing of samples (Effective on and after January 24, 2003).
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a.(a) In general. Licensed manufacturers and licensed importers and persons who manufacture or import explosive materials or ammonium nitrate must, when required by letter issued by the Director, furnish— - 
    
1.(1) Samples of such explosive materials or ammonium nitrate; 
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2.(2) Information on chemical composition of those products; and 
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3.(3) Any other information that the Director determines is relevant to the identification of the explosive materials or to identification of the ammonium nitrate. 
 
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