181.43—Eligible goods subject to drawback.
         Except as otherwise provided in this subpart, drawback is authorized for an imported good that is entered for consumption and is:
    
    
    
        
        (b) 
         Used as a material in the production of another good that is subsequently exported to Canada or Mexico (see 19 U.S.C. 1313(a) ); or
    
    
        
        (c) 
         Substituted by a good of the same kind and quality as defined in  § 181.44(c) of this subpart and used as a material in the production of another good that is subsequently exported to Canada or Mexico (see 19 U.S.C. 1313(b) ).