| The taxpayer will have to pay a failure to pay penalty when __________. | 
  
       | The taxpayer will have to pay a failure to pay penalty when __________. | 
  
         | The taxpayer  will have to pay a failure to pay penalty when  __________. | 
    
The correct phrase is \'you are paying your taxes late\'
 The failure-to-pay penalty current stands 0.5 percent per month and the same is computed on the amount of unpaid taxes.The penalty is applicable each month or towards that part of a month in which your taxes remain unpaid. It then starts accruing the day after taxes are due. The rate can be increased upto 25 percent on the unpaid taxes.