law: Standards of Weights and Measures (Enforcement) Act, 1985
  45. Penalty for
  
  contravention of section 22.-
  Whoever,--
  a.  
  
    sells,
  
  offers, exposes or possesses for sale, any weight or measure which has not been
  
  verified and stamped under this Act, or
  b.  
  
    uses,
  
  or keeps for use, any weight or measure which, being required to be verified
  
  and stamped under this Act, has not been so verified and stamped, shall be
  
  punished with imprisonment for a term which may extend to six months, or with
  
  fine which may extend to one thousand rupees, or with both, and for the second
  
  or subsequent offence, with imprisonment for a term which may extend to one
  
  year and also with fine:
  Provided that 
  
  nothing in clause (b) shall apply, in relation to any weight or measure which
  
  is used for domestic purposes?