law: Indian Post Office Act, 1898 
  74. General power to make rules and provisions as to rules
  
  under Act
  (1) In addition to the
  
  powers hereinbefore conferred, the Central Government may make rules to carry
  
  out any of the purposes and objects of this Act.
  (2) In making any rule
  
  under this Act, the Central Government may direct that a breach of it shall be
  
  punishable with fine which may extend to fifty rupees.
  (3) All rules made by
  
  the Central Government under this Act shall be published in the Official
  
  Gazette and, on such publication, shall have effect as if enacted by this Act.