Code of federal regulations  containing a codification of documents of general applicability and future effect as of April 1, 1978 with ancillaries  [Title] 19,  Customs duties : 

 - Washington :  U.S. Goovernment Printing Office,  1978 
 - viii, 912 p. ;  28 cm. 
<br/><br/>Revised as of April 1, 1978 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manner- Customs--United States
<br/><br/><label>Dewey Class. No.: </label>390.73