NEAR FINAL DRAFT 8/1/24

2024 M15C, Additional Charge for Underpayment of Estimated Tax
C corporations must use Schedule M15C to determine the additional charge for underpayment of estimated tax.

Name of Corporation/Designated Filer                                                                                          FEIN                                                        Minnesota Tax ID

                                                                                                                                                                                           You must round amounts 
                                                                                                                                                                                           to nearest whole dollar.

  1 Enter your 2024 tax (see instructions)  . . .  . . . . . .  . . . . .  . . . . . . .  . . . . .  . . . . .  . . . . . .  . . . . .  . . . . . .  . . . . . .  . . . . . .  . . .  . 1  
    If less than $500, do not complete this form. You owe no additional charge.
  2   Enter your 2023 tax (see instructions)  . . .  . . . . . .  . . . . .  . . . . . . .  . . . . .  . . . . .  . . . . . .  . . . . .  . . . . . .  . . . . . .  . . . . . .  . . .  . 2  

  3   Required annual payment . Enter the amount from line 1 or line 2, whichever is less   . . .  . . . . . .  . . . . .  . . . . . . .  . . .  . 3  
      Exceptions: If you did not file a 2023 return or filed a return for less than a full 12-month period 
    in the preceding tax year, or you did not have a 2023 tax liability, you must enter the amount 
    from line 1 . Large corporations, read special instructions on back and enter the amount from line 1.

                                                                                    1st Quarter                               2nd Quarter  3rd Quarter                                       4th Quarter

  4   Enter the due dates (see instructions)  . . .  . . . . . .  . . 4                                                                                                                    
 
 5    Required installments (see instructions)            . . .  . . . . . . 5                                                                                                             
 
  6   Amount paid each period (see instructions)               . . .  . . . 6                                                                                                              
    Complete lines 7–13 for one column before 
    completing the next column. For the first column 
    only, enter the amount from line 6 on line 10 .
  7   Enter the amount from line 13 of the previous column   . . . .  . . . . . .  . . . 7                                                                                                 
 
  8   Add lines 6 and 7  . . .  . . . . . .  . . . . . .  . . . . . .  . . . . .  . . . . . .  . . . . .  . . . . . .  . . 8                                                               
 
  9   Add lines 11 and 12 of the previous column    . . . . .  . . . . . .  . . . . . .  . . . . . 9                                                                                       
  10  Subtract line 9 from line 8 . 
    If result is zero or less, leave blank   . . .  . . . . . .  . . . 10                                                                                                                  
  11  Remaining underpayment from previous 
    period . If line 10 is zero, subtract line 8 
      from line 9. Otherwise, leave blank  . . .  . . . . . .  . . . . .  . . . . . . .  . . . . .  . .  . 11                                                                              
  12  UNDERPAYMENT. If line 10 is less than or  
   equal to line 5, subtract line 10 from line 5, 
    enter the result and go to line 6 of the next 
    column . Otherwise, go to line 13    . .  . . . . . .  . . . . . 12                                                                                                                    
  13  OVERPAYMENT. If line 5 is less than line 10, 
    subtract line 5 from line 10 and enter the 
    result . Go to line 6 of the next column   . . .  . . . . . . 13                                                                                                                       
 14   Date underpayment is paid or the 15th day 
    of the third month following the tax year,  
    whichever is earlier  . . .  . . . . . .  . . . . .  . . . . . . .  . . . . 14                                                                                                         
    15Number of days from the due date on  
    line 4 to the date on line 14  . . .  . . . . . .  . . . . . .  . . . 15                                                                                                               
  16  Additional charge 
      (line 15 ÷ 365  .05 × × line 12)  . . .  . . . . . .  . . . . .  . .16 .                                                                                                             
 
 17 TOTAL. Add amounts on line 16 . Enter this amount on M4, line 15  . . .  . . . . . .  . . . . . .  . . . . . .  . . . . .  . . . . . .  . . . . .  .  .17  
       Attach this schedule to your Form M4.

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