law: Payment of Bonus Act, 1965 
  17. Adjustment of customary or interim bonus against bonus
  
  payable under the Act 
  Where in any accounting year,- 
  (a) an employer has paid any puja 
  
  bonus or other customary bonus to an employee; or
  (b) an employer has paid a part of the bonus payable under this
  
  Act to an employee before the date on which such bonus becomes payable, then,
  
  the employer shall be entitled to deduct the amount of bonus so paid from the
  
  amount of bonus payable by him to the employee under this Act in respect of
  
  that accounting year and the employee shall be entitled to receive only the
  
  balance.