law: Standards of Weights and Measures (Enforcement) Act, 1985
  18. Punishment for
  
  non-registration.-
  Whoever uses, after
  
  the expiry of the period prescribed under sub-section (1) of section 17, any
  
  weight or measure in any transaction or for industrial production or for
  
  protection shall, unless he is registered in accordance with the provisions of
  
  this Chapter, be punishable with fine which may extend to five hundred rupees,
  
  and for the second or subsequent offence, with imprisonment for a term which
  
  may extend to six months, or with fine, or with both.