Form
                             Underpayment of Estimated Withholding Tax by
        PW-U                                      Pass-Through Entities
 Wisconsin Department                                                                                      2024
        of Revenue                                  File with Wisconsin Form PW-1
 Name                                                                                        Federal Employer ID Number

 Part I         Computation of Underpayment and Interest Due on Underpayment
  1 a    Enter 2024 withholding tax computed (see instructions) .....................
      b  Enter 2024 tax withheld (see instructions)................................
     Subtractc  line 1b from line 1a. This is 2024 withholding tax due for taxable year (see instructions) 
 2  Enter 90% of line 1c .............................................................
 3  Enter 2023 withholding tax due from PW-1, if applicable (see instructions) ........
 4  If preceding taxable year return covered 12 months, use the smaller of line 2 or 
      line 3; otherwise, enter line 2 (see instructions)  ........................................
                                                                   (a)             (b)                (c)  (d)
    5Enter installment due dates (see instructions)......
    6Amount due for each installment (see instructions)..
    7Estimated payments and withholding (see instructions)  
 8  If line 7 is less than line 6, subtract line 7 from
      line 6. This is your underpayment  ...............
    9If line 7 is more than line 6, subtract line 6 from
      line 7. This is your overpayment ................
    10Carryback of overpayment or late payment 
      (see instructions) ............................
    11Carryforward of overpayment (see instructions) ....
    12Subtract the total of lines 10 and 11 from line 8. 
      This is your net underpayment..................
    13Number of days from the due date of the installment
      to the date carryback on line 10 was paid .........
    14Number of days from the due date of the installment
      to the date balance due on return was paid or
      unextended due date of return, whichever is earlier .
    15Interest: 12% per year on amount on line 10 for the
      number of days on line 13 .....................
    16Interest: 12% per year on amount on line 12 for the
      number of days on line 14 .....................
 17  Add all of the amounts on lines 15 and 16 and enter the total. If your return is filed after the 
      unextended due date and shows withholding tax due, enter the total on Part II, line 22. Otherwise,  
      enter the total on the line provided on PW-1, line 9 .........................................

IC-006 (R. 7-24)

2024 Form PW-U                                                                                                                  Page 2 of 2
  Part II      Computation of Other Interest and Penalty Due
Complete this part only if Form PW-1 is not filed by the unextended due                   (a) Interest at (b) Interest at
date and shows withholding tax due.                                                       18% per year    12% per year      (c) Total
 18  ........                                                                                                                                             If PW-1 filed late without an extension, enter net withholding tax 
 19  If PW-1 filed with extended due date and shows –                                         (90%)           (10%)
      a  Net withholding tax of $500 or more, enter portion of net tax indicated .
      b  Net withholding tax of less than $500, enter net tax ................
 20  Enter payments made (apply first to 18% per year column) . . . . . . . . . . . . 
    21Subtract line 20 from line 18 or 19a or 19b. This is amount due the 15th day
      of the month that includes unextended due date (after end of taxable year) 
    22Interest on underpayment from Part I, line 17 .......................
    23Add lines 21 and 22  ..........................................
                                                                                          (18% per year)  (12% per year) *
 24  Interest on amounts on line 23 to                               (date PW-1 filed) ...
 25  If PW-1 is filed late without an extension or after the extended due date –
      a  Enter penalty of 5% of net tax due on your return for each month or fraction thereof that your return is late, but 
         not more than 25% ...........................................................................
      b  Enter $50 or applicable late fee  ...........................................................
    26Add lines 24, 25a, and 25b. Enter the total on PW-1, line 10 .......................................
 * Note: See the instructions for line 24.

  Part III     Annualized Income Installment Method Worksheet
Fill in this worksheet only if computing required installments                                Annualization Period
using the annualized income installment method. Complete                   (a) First __ months (b) First __ months (c) First __ months (d) First __ months
one column through line 45 before completing the next column.
    27Enter Wisconsin net income for each period 
      (see instructions) ............................
    28Annualization factor (see instructions) ............
    29Multiply line 27 by line 28 ......................
    30Adjustments (see instructions) ..................
    31Combine lines 29 and 30. This is annualized income.
    32Multiply line 31 by your applicable tax rate. This is 
      annualized gross tax .........................
    33Enter your nonrefundable credits ................
    34Subtract line 33 from line 32. If zero or less, enter zero ...
 35  Enter your refundable credits (excluding estimated tax 
        paid) ......................................
    36Subtract line 35 from line 34. If zero or less, enter zero.
      This is annualized net withholding tax ............
    37Applicable percentage (see instructions) ..........
    38Multiply line 36 by line 37 ......................
    39Enter the combined amounts of line 45 from all 
      preceding columns .............................
    40Subtract line 39 from line 38. If zero or less, enter zero ..
    41Divide Part 1, line 4, by 4 and enter the result in each 
      column (see instructions) ......................
    42Enter the amount from line 44 for the preceding column  .
    43Add lines 41 and 42 and enter the total ...........
    44If line 43 is more than line 40, subtract line 40 from 
      line 43. Otherwise, enter zero  . . . . . . . . . . . . . . . . . . 
    45Enter the smaller of line 40 or 43 here and on Part 1, 
      line 6 .....................................