law: The Chief Election Commissioner and Other Election Commissioners (Conditions of Service) Act, 1991
  5. Leave.Ā
  AĀ person who,Ā
  
  immediatelyĀ beforeĀ theĀ dateĀ of assuming officeĀ as theĀ Chief ElectionĀ
  
  Commissioner orĀ anĀ Election Commissioner, wasĀ in serviceĀ of Government may
  
  be granted during his tenure ofĀ office butĀ not thereafter, leave inĀ
  
  accordance withĀ the rules forĀ the timeĀ being applicableĀ toĀ theĀ ServiceĀ
  
  toĀ whichĀ he belonged beforeĀ such dateĀ and heĀ shall be entitled to carry
  
  forward theĀ amountĀĀ ofĀ leaveĀĀ standingĀ atĀĀ hisĀ creditĀĀ onĀ suchĀ date,
  
  Ānotwithstanding anything contained in section 6.
  Any  other person  
  
  who is  appointed as  the  Chief  Election  Commissioner or  
  
  an Election  Commissioner may  be  granted  leave  in 
  
   accordance with  such rules  as are for the time being applicable to 
  
  a  member of the Indian Administrative Service.
  The  power to  
  
  grant or  refuse leave  to the  Chief Election  Commissioner or  
  
  an Election  Commissioner and  to revoke  or  curtail leave 
  
  granted to him, shall vest in the President.