law: Standards of Weights and Measures (Enforcement) Act, 1985
  Chapter V:
  
  Registration of Users of Weights and Measures
  16. Persons using
  
  weights or measures for transactions or industrial production or for protection
  
  to get themselves registered.-
  No person, not being
  
  an itinerant vendor, shall use any weight or measure in any transaction or for
  
  industrial production or for protection unless he is registered in accordance
  
  with the provisions of this Chapter.