law: Custom Act, 1962 
  38.
  
  Power to Require Production of Documents and ask Questions. – 
  For
  
  the purposes of carrying out the provisions of this Act, the proper officer may
  
  require the person-in-charge of any conveyance or animal carrying imported
  
  goods or export goods to produce any document and to answer any questions and
  
  thereupon such person shall produce such documents and answer such questions.