law: Sale of Goods Act, 1930
  30. Seller or buyer in possession after sale
  (1) Where a person, having sold goods continues or is in
  
  possession of the goods or of the documents of title to the goods, the delivery
  
  or transfer by that person or by a mercantile agent acting for him of the goods
  
  or documents of title under any sale, pledge or other disposition thereof to
  
  any person receiving the same in good faith and without notice of the previous
  
  sale shall have the same effect as if the person making the delivery or
  
  transfer were expressly authorized by the owner of the goods to make the same.
  (2) Where a person, having bought or agreed to buy goods,
  
  obtains with the consent of the seller, possession of the goods or the
  
  documents of title to the goods, the delivery or transfer by that person or by
  
  a mercantile agent acting for him, of the goods or documents of title under any
  
  sale, pledge or other disposition thereof to any person receiving the same in
  
  good faith and without notice of any lien or other right of the original seller
  
  in respect of the goods shall have effect as if such lien or right did not
  
  exist.