Section 21D(1) in The Bihar Co-operative Societies Rules, 1959
(1)An Election Officer and an Alternate Election Officer shall be appointed by the Conducting Officer concerned :Provided that no Government Servant below the rank of a Co-operative Extension Officer shall be appointed Election Officer or Alternate Election Officer: Provided further that for the Milk Producers' Co-operative Society, no person shall be appointed Election Officer or Alternate Election Officer if he is below the rank of Milk Procurement Officer posted in affiliating Milk Producers' Co-operative Unions and Bihar State Co-operative Milk Producers Federation Ltd."