Form
3U
Underpayment of Estimated Economic Development
Surcharge by Partnerships
2012
File with Wisconsin Form 3
Name
Federal Employer ID Number
Wisconsin Department
of Revenue
Part I
Computation of Underpayment and Interest Due on Underpayment
1 Enter your 2012 economic development surcharge from 2012 Form 3, Part I, line 5. If this amount is
less than $200, do not complete or file this form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Multiply the amount on line 1 by 90% (0.90) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Enter 2011 economic development surcharge from 2011 Form 3, line 5. . . . . . . . . . . . . . . . . . . . . . . .
4 If 2011 Form 3 covered 12 months, enter the smaller of line 2 or line 3; otherwise, enter the amount
from line 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Due Dates of Installments for Calendar Year Filers
(Fiscal year filers see instructions)
(a) April 17,
(b) June 15,
(c) September
(d) January 16,
2012
2012
17, 2012
2013
5 Divide line 4 by 4, and enter the result in each col-
umn or, if you use the annualized income installment
method for any period, first complete Part II and
enter the amounts from line 31 . . . . . . . . . . . . . . . .
6 Estimated surcharge paid . . . . . . . . . . . . . . . . . . . .
7 If line 6 is less than line 5, subtract line 6 from line 5.
This is your underpayment. . . . . . . . . . . . . . . . . . . .
8 If line 6 is more than line 5, subtract line 5 from
line 6. This is your overpayment . . . . . . . . . . . . . . .
9 Carryback of overpayment or late payment . . . . . . .
10 Carryforward of overpayment . . . . . . . . . . . . . . . . .
11 Subtract the total of lines 9 and 10 from line 7.
This is your net underpayment. . . . . . . . . . . . . . . . .
12 Enter date installment was paid from which carry-
back or late payment entered on line 9 originated . .
13 Enter date balance due on return was paid or unex-
tended due date of return, whichever is earlier . . . .
14 Number of days from the due date of the installment
to the date carryback on line 9 was paid . . . . . . . . .
15 Number of days from the due date of the installment
to the date balance due on return was paid or unex-
tended due date of return, whichever is earlier . . . .
16 Interest: Multiply amount on line 9 times 12% (0.12)
times number of days on line 14 divided by 365 . . .
17 Interest: Multiply amount on line 11 times 12%
(0.12) times number of days on line 15 divided by 365
18 Add all of the amounts on lines 16 and 17. Enter the total here and on Form 3, Part I, line 12 . . . . . .
IP-034