Pennsylvania Underpayment of Estimated Tax By Individual Farmers

Underpayment of Estimated Tax By Individual Farmers
2023 Underpayment of Estimated Tax by Individual Farmers (REV-1630A)
(EX) 10-23 (FI)

REV-1630A
START
HERE Name as shown on PA-40

UNDERPAYMENT OF ESTIMATED TAX
BY INDIVIDUAL FARMERS

➜

2023

Social Security Number

FARMING EXCEPTION WORKSHEET
SECTION A
A. Total gross income from all sources including Schedules C, F, and K-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A.

B. Enter 66.67 percent of Line A. Multiply Line A by 0.6667. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B.

C. Gross income from farming (exclude Schedule D income). If Line C is less than Line B, you do not qualify for the
farming rules and must complete REV-1630. If Line C is greater than Line B, continue on to Section B. . . . . . . . . . . . . .

C.

MM/DD/YYYY

SECTION B
D. Date 2023 PA-40 was filed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTE: If the date on Line D is after March 1, 2024, skip Lines E through I and complete SECTIONS I, II, and/or III
to determine your underpayment and the amount of your estimated underpayment interest penalty.

D.

E. 2023 Tax Liability from Line 12 of Form PA-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E.

F. Add the amounts reported on Lines 13, 17, 21, 22, and 23 of Form PA-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F.

G. Subtract Line F from Line E.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

G.

H. Add the amounts on Lines 14, 15, and 26 of your 2023 PA-40 and subtract the amount from Line 25 of your 2023 PA-40
and enter the result here. If the amounts appearing on Lines 14 and 26 less Line 25 were not paid on or before
March 1, 2024, or you did not file your return on or before March 1, 2024, the estimated underpayment penalty may apply. .

H.

I. Subtract Line H from Line G. If the result is zero or less, stop here. Otherwise, complete Section I, II, and III to
determine your underpayment and the amount of your estimated underpayment penalty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I.

SECTION I

CALCULATING THE UNDERPAYMENT

1a. 2023 Tax Liability from Line 12 of Form PA-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1a.
1b. Multiply the amount on Line 1a by 0.90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1b.
2. Add the amounts reported on Lines 13, 17, 21, 22, and 23 of Form PA-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.

3. Subtract Line 2 from Line 1b. (If result is less than $246, stop here.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.

4. Estimated taxes paid by Jan. 16, 2024, including carryover credit from previous tax year. . . . . . . . . . . . . . . . . . . . . . . . .

4.

5. Underpayment. Subtract Line 4 from Line 3. If zero or less, stop here. No penalty is due. . . . . . . . . . . . . . . . . . . . . . . . .

5.

SECTION II

EXCEPTIONS TO INTEREST

6. Enter the amount from Section I, Line 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.

7. Enter the amount from Section I, Line 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7.

8. Add Lines 6 and 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.

9. Enter the Taxable Income from Line 11 of your 2022 PA-40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.

10. Multiply Line 9 times 0.0307. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.
Compare Lines 8 and 10. If Line 8 is greater than or equal to Line 10, stop here. You do not owe an interest penalty. If Line 10 is greater than Line 8,
complete Section III below.

SECTION III

CALCULATING INTEREST PENALTY. COMPLETE LINES 11 AND 12.

11. Number of days after Jan. 16, 2024, to and including date of annual payment or April 15, 2024, whichever is earlier.
If April 15 is earlier, enter 91. See instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.
12. Number of days on Line 11 times 0.000219 times underpayment on Line 5. Include on Line 27 of Form PA-40. . . . . . . . 12.

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2023
Instructions for Form REV-1630A

Underpayment of Estimated Tax by Individuals

REV-1630A IN (EX) 10-23

GENERAL INFORMATION
The estimated underpayment penalty is an interest penalty
for the failure to make estimated tax payments or the failure
to make estimated tax payments in the correct amount. The
interest rate used to determine the penalty is based upon
the interest rate determined each year on the underpayment
of taxes. Under Pennsylvania personal income tax law, any
individual who reasonably expects annual income for the
2023 tax year to exceed $8,000, disregarding income
subject to PA withholding, must declare and pay estimated
tax. The income threshold for estimated payment
requirements increases to $9,500 in tax year 2024.
FARMERS
There are special estimated tax payment rules that apply to
farmers. These rules apply to those who cultivate, operate,
or manage a farm for profit or gain. A farm is a tract of land
devoted to agriculture, pasturage, stock raising, or some
allied industry. It includes dairy, stock and poultry farms. For
PA personal income tax purposes, a taxpayer is categorized
as a farmer if two-thirds or more of his or her gross income
is derived from farming. See Section A, Line C instructions
for additional information regarding the definition of gross
income from farming. If categorized as a farmer, the
taxpayer must make his or her estimated tax payments by
Jan. 16 of the year following the tax year or file his or her
tax return for the year and make the entire payment of tax
due with the return on or before March 1 (or the next
business day if March 1 falls on a Saturday, Sunday, or
holiday) of the year following the tax year. Farmers may also
make their payments in four equal payments as long as the
final payment is made on or before Jan. 16 or when the
return is filed on or before March 1 (or the next business day
if March 1 falls on a Saturday or Sunday).
To determine if an individual qualifies as a farmer and will
not owe interest for underpaying estimated tax, the following
tests must be met:
Test 1) Your gross income from farming for the taxable year
is at least 2/3 of your gross income from all sources
for the taxable year; and
Test 2) You filed your tax return and paid the entire amount
due by March 1 of the following year, or you paid all
of your estimated tax by Jan. 16, 2024.
Please see the instructions for and complete the "Farming
Exception Worksheet" on REV-1630A to determine if you
meet the above tests.
PURPOSE OF FORM

Farmers should use this form to determine if they meet both
the tests for qualifying as a farmer. Farmers who meet Test
1 but fail Test 2 will calculate their underpayment penalties
using this form. Individuals who fail Test 1 are not
considered farmers under the exception and are required to
use Form REV-1630, Underpayment of Estimated Tax By
Individuals, to determine their underpayment penalties.
Complete the Farming Exception Worksheet to determine if
you meet the tests for qualifying as a farmer.
WHO MUST COMPLETE
Farmers who meet the farming exception (Sections A and
B) and do not make the correct amount of estimated tax
payments by Jan. 16, 2024 or do not file and pay the entire
amount of their taxes by March 1, 2024, must complete the
form to determine the amount of their estimated
underpayment penalty. Farmers who meet the farming
exception (Sections A and B) and made the correct amount
of estimated tax payments by Jan. 16, 2024 or filed and paid
the entire amount of their taxes by March 1, 2024, must also
complete the form to show they meet the exceptions.
IMPORTANT: A farmer that qualifies for the farming
exception should also fill in the farmer oval on Page 1
of the PA-40, Personal Income Tax Return.
WHO MUST PAY INTEREST FOR UNDERPAYMENT OF
ESTIMATED TAXES
Farmers who meet Test 1 but fail Test 2 must pay interest
on the amount of estimated tax not paid. If a farmer fails
Test 2, the farmer estimated tax rules and underpayment
rules apply. If you did not pay any estimated tax, did not
pay the correct estimated tax by Jan. 16, 2024, or did not
file your return by March 1, 2024, and pay the amount of
tax due with that return, you may be charged an interest
penalty. This is true even if you are due a refund when you
file your PA income tax return.
NOTE: If you qualified for the Tax Forgiveness Credit
for the previous tax year and you are not exempt from
the interest penalty as a farmer, you should complete Form
REV-1630, Underpayment of Estimated Tax by Individuals,
to determine if you are exempt from the underpayment of
estimated tax interest penalty.
OTHER SITUATIONS WHEN INTEREST IS APPLIED
Taxpayers not qualifying for the farming exemption will have
an underpayment of their estimated taxes if their 2023
prepayments were not:
• 90 percent of the estimated tax due for the payment
period; or

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• 100 percent of the estimated tax due for the payment
period calculated by multiplying the taxable income on
Line 11 of 2022 Form PA-40 by 3.07 percent (0.0307).
This provision does not apply if you did not file a prior
year’s return or if you filed your prior year’s return as
a part-year resident.
Taxpayers who fail Test 1 of the farming exemption must file
REV-1630, Underpayment of Estimated Tax by Individuals,
to determine the amount of estimated underpayment
penalties/interest.

FORM INSTRUCTIONS
IDENTIFICATION INFORMATION
Name
Enter the name of the taxpayer. If a jointly filed return, enter
the name of the primary taxpayer (name shown first on the
PA-40, Personal Income Tax Return).
Social Security Number
Enter the Social Security number (SSN) of the taxpayer.

LINE INSTRUCTIONS
FARMING EXCEPTION WORKSHEET
In order to qualify for the farming exemption, individuals
must derive at least two-thirds of their gross income from
farming. Complete Section A of the Farming Exception
Worksheet to determine if you qualify for this exception.
Individuals who qualify as farmers have special rules with
respect to their estimated tax payments. Complete Section
B of the Farming Exception Worksheet to determine if you
met the farmer specialized rules for estimated taxes.

SECTION A
Line A. Total gross income from all sources includes income
reported on the following:
• PA-40 Lines 1a, 2, 3, and 7;
• PA-40 Line 5, with all selling expenses added back and
total net losses not netted against gross income from
all sources (see NOTE below for additional
information);
• Lines 1 and 2 of PA Schedule E; and
• the total of the taxpayer and spouse columns from Line
3 of PA Schedule T.
It also includes gross income amounts for entities reported
on PA-40 Line 4 determined as follows:
• Line 5 of PA Schedule C;
• Line 12 of PA Schedule F;
• federal Form 1065 Schedule K-1, Box 14, Code B
(gross farming income) and/or Box 14, Code C (gross
non-farming income);
• federal Form 1120S, Schedule K-1, Box 17, Code U
(when entry is related to gross farming income); and/or
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• income from other non-farming related partnership,
limited liability company, and S corporation entities.
Income from other non-farming related entities is determined
by adding positive income amounts (not net losses) from the
following sources:
• federal Form 1120S, Page 1, Line 3, gross profit (use
the shareholder’s proportionate share of gross income
reported only);
• PA-20S/PA-65 Schedule RK-1, Line 1 and/or 5 plus
Line 12;
• PA-20S/PA-65 Schedule NRK-1, Line 1 and/or 3 plus
Line 10 (use only when no entry appears in federal
Form 1065 Schedule K-1, Box 14 or when federal
Form 1120S, Page 1, Line 3 information is not
available);
• federal Form 1065 Schedule K-1, Boxes 1, 2 and/or 3
plus Box 4 (use only when PA-20S/PA-65 Schedules
RK-1 or NRK-1 are not available); and/or
• federal Form 1120S Schedule K-1, Boxes 1, 2 and/or
3 (use only when PA-20S/PA-65 Schedules RK-1 or
NRK-1 or federal Form 1120S, Page1, Line 3
information is not available).
NOTE: When determining the amount to use from PA
Schedule D (PA-40 Line 5), selling expenses must be
added back in to the net gain or loss. Selling expenses
include any commissions and other expenses incurred at
the time of the sale that reduce net gains or increase net
losses. After selling expenses are added back to the gain or
loss, if an overall net loss still remains for Line 5, it is not
permitted to be used to reduce gross income from all
sources.
IMPORTANT: Net losses in any class of income as
determined for Line 4, 5, 6, or 8 of the PA-40 cannot
be used to reduce gross income from all sources.
Line B. Multiply Line A by 0.6667.
Line C. Gross income from farming is income from
cultivating the soil or raising agricultural commodities. It
includes income from operating a stock, dairy, poultry, bee,
fruit, or truck farm; income from a plantation, ranch, nursery,
range, orchard, or oyster bed; crop shares for the use of
your land; and gains from sales of draft, breeding, dairy, or
sporting livestock not reported on PA Schedule D. Gross
income from farming includes:
Gross income from farming includes income reported on the
following:
• Line 12 of PA Schedule F;
• federal Form 1065 K-1, Box 14, Code B (gross farming
income);
• federal Form 1120S K-1, Box 17, Code U (when entry
is related to gross farming income); and/or
• federal Form 4835, Line 7 reported on PA Schedule E.
Income from the sale or disposition of farm land, farming
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equipment or livestock reported on Schedule D is not
farming income. Gross income from farming also does not
include wages you receive as a farm employee or income
you receive from contract grain harvesting and hauling with
workers and machines you furnish.
IMPORTANT: If Line B is more than Line C, you do
not qualify for the farming exception. You must file
REV-1630, Underpayment of Estimated Tax by Individuals,
to determine the amount of estimated underpayment
penalty/interest.

SECTION B
Line D. Enter the date you filed your 2023 PA-40. If this date
is after March 1, 2024, skip Lines E through I and continue
by completing SECTIONS I, II, and/or III to determine your
underpayment and whether you have an estimated
underpayment interest penalty.
Line E. Enter the amount of your 2023 Tax Liability from Line
12 of your PA-40.
Line F. Add the amounts on reported Lines 13, 17, 21, 22,
and 23 of your 2023 PA-40.
Line G. Subtract Line F from Line E. If the result is zero or
less, stop here.
Line H. Add the amounts on Lines 14, 15, and 26 of your
2023 PA-40 and subtract the amount from Line 25 of your
2023 PA-40 and enter the result on Line H. If the amounts
appearing on Lines 15 and 26 less Line 25 were not paid on
or before March 1, 2024, or you did not file your return on or
before March 1, 2024, the estimated underpayment penalty
may apply.
Line I. Subtract Line H from Line G. If the result is zero or
less, stop here. You are not subject to the estimated
underpayment interest penalty. Otherwise, complete
Sections I, II and III to determine your underpayment and the
amount of your estimated underpayment interest penalty.

SECTION I
CALCULATING YOUR UNDERPAYMENT
Line 1a. Enter the tax liability figure from Line 12 of your
2023 PA-40 tax return.
Line 1b. Calculate 90 percent of Line 1a by multiplying Line
1a by 0.90.
Line 2. The credits allowed to reduce the tax due are also
used to reduce your tax liability for this calculation. Add
together the following lines from Form PA-40: Line 13
(Total PA Tax Withheld), Line 17 (Nonresident Tax
Withheld), Line 21 (Tax Forgiveness Credit), Line 22
(Resident Credit) and Line 23 (Total Other Credits). If Line
2 is more than Line 1, you do not owe a penalty and do
not need to complete this form.
Line 3. Subtract Line 2 from Line 1b. If the amount is $246
or more, complete Lines 4 through 8. If less than $246, you

did not owe estimated income tax and do not have to
complete this form.
Line 4. Enter the amount of estimated taxes you paid by
Jan. 16, 2024, including any carryover credit applied from
the previous tax year’s return. Do not include any credits
from Line 2.
Line 5. Subtract Line 4 from Line 3. If zero or less, stop here.
No penalty is due. If more than zero, use this amount to
calculate your underpayment interest penalty in Section III.

SECTION II
EXCEPTION TO INTEREST
In addition to the exception for paying your total estimated
tax due by Jan. 16, 2024, or the tax due with the return by
March 1, 2024, farmers who were full year residents of
Pennsylvania the previous tax year are also eligible for
another exception to the underpayment of estimated tax
penalty. If the farmer has tax withholding, tax credits, and
estimated taxes paid by Jan. 16, 2024, equal to at least all
of the tax due on 2022’s taxable income at 2023’s tax rate,
he/she will be exempt from the underpayment of estimated
tax interest penalty. Complete Lines 8 through 12 of REV1630A to determine if you qualify for the exception.
Line 6. Enter the taxes withheld and tax credits from Section
I, Line 2, above.
Line 7. Enter estimated taxes paid by Jan. 16, 2024, from
Section I, Line 4, above.
Line 8. Add Lines 6 and 7.
Line 9. Enter your 2022 Taxable Income from Line 11 of your
PA-40. You must have been a full year resident in 2022 to
qualify for this exception.
Line 10. Multiply Line 9 by the 2023 tax rate of 0.0307 and
enter the result.
Compare Lines 8 and 10. If Line 8 is greater than or equal
to Line 10, no underpayment of estimated tax penalty is due
and you may stop here. However, you must include a copy
of this form with your return. If Line 10 is greater than Line
8, complete Section III.

SECTION III
CALCULATING THE INTEREST PENALTY
Line 11. Enter the number of days after Jan. 16, 2024, to
and including the date of the payment with your tax return
not filed on or by March 1, 2024 or April 15, 2024, whichever
is earlier. If April 15 is earlier, enter 90.
Line 12. Number of days on Line 11 times 0.000219, times
the underpayment on Line 5. This is your estimated
underpayment interest penalty. Include this amount along
with any other interest and penalties on Line 27 of your 2023
PA-40. Fill in the oval on Line 27 and include a copy of this
form with your return. See the examples below for additional
information.

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NOTE: If the payment made with a return on or before
March 1, 2024, is not a full payment of the taxes due,
additional calculations (repeating Lines 11 and 12 for each
payment date) of the estimated underpayment penalty
interest will be required. Calculate the interest penalty first
using the amount on Line 5 times 0.000219, times the
number of days after Jan. 16, 2024, to and including the
payment date. For each additional payment, subtract the
payment amount made from the underpayment calculated
on Line 5, multiply the resulting amount times 0.000219
times the number of days after the date of the additional
payment to and including the earlier of the date of the
additional payment or April 15, 2024. Include a worksheet
showing any additional calculations. See the following
examples for additional information.

EXAMPLES
Example 1.
Warren has total gross income from all sources of $500,033,
and gross income from farming is $400,000 in 2023. Warren’s
wife, Michelle, has wages subject to withholding of $70,033,
from which $2,150 of Pennsylvania income tax was withheld.
They have joint interest and dividend income of $30,000 in
addition to Warren’s net income from farming of $40,000.
Warren and Michelle made one estimated payment of $1,000
on Jan. 16, 2024, and file their tax return on March 1, 2024,
and include a payment of $1,149 with that return. Warren and
Michelle had Line 11 Taxable Income of $126,059 from their
2022 PA-40. The 2022 taxable income times the 2023 tax rate
was $3,870. In 2022, Michelle had the same wages and
withholding as she has in 2023. If Warren and Michele were
not eligible to report as a farmer, total estimated tax payments
of $1,720 would have been required to be paid throughout
2023 to avoid the estimated underpayment penalty. Warren
and Michelle will not be subject to the estimated
underpayment interest penalty since they qualify as a farmer
with more than two-thirds of gross income coming from
farming. They also either made estimated tax payments
equaling their tax liability or paid the remaining tax due with
their return filed on or before March 1.
Example 2.
Same facts as Example 1 except the estimated payment
made on Jan. 16, 2024, was $1,720 and that Warren and
Michelle filed their tax return on March 16, 2024, along with
a payment of $429. Warren and Michelle are not subject
to the estimated underpayment penalty even though they
filed their return and paid the balance due after March 1,
2024, because they paid 100 percent of their 2023 tax
liability by Jan. 16, 2024, and meet the EXCEPTION TO
INTEREST in Section II. Warren and Michelle paid $3,870
($2,150 of withholding and $1,720 in estimated payments)
by Jan. 16, 2024.
Example 3.
Same facts as Example 2 except an estimated tax payment
of $1,000 was made late on Jan. 29, 2024, and the amount
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paid with their return filed on March 16, 2024, was $1,149.
Warren and Michelle are subject to the estimated
underpayment interest penalty in this situation because they
did not make all their estimated payments by Jan. 16, 2024,
and did not file their return by March 1, 2024. The penalty is
calculated on the underpayment of $1,719 (as calculated on
Line 5 of Section I: tax liability of $4,299 times 90 percent
less tax withheld of $2,150), times the number of days the
liability was unpaid. In this case, there were two payments
of the liability; the late payment of the estimated tax on Jan.
29, 2024, of $1,000 and the payment of the liability with the
return on March 16, 2024, of $1,149. Therefore, the
underpayment of estimated tax interest penalty is two
calculations and totals $12.29: $1,719 total underpayment
times 13 days late, times daily rate of 0.000219 = $4.89;
$719 remaining underpayment (total underpayment of
$1,719 less $1,000 late estimated payment) times 47 days
remaining underpayment not paid times daily interest rate
of 0.000219 = $7.40; $4.89 plus $7.40 = $12.29.
Example 4.
Same facts as Example 1 except the return was filed on April
15, 2024. Warren and Michelle are subject to the estimated
underpayment interest penalty in this situation because they
did not make all their estimated payments by Jan. 16, 2024,
did not file their return by March 1, 2024, and did not meet
the EXCEPTION TO INTEREST in Section II. The penalty
is calculated on an underpayment of $719 (tax liability of
$4,299 times 90 percent less tax withheld of $2,150 and
timely estimated payments made of $1,000) times the
number of days late (90 times the daily interest rate
(0.000219), which gives an underpayment of estimated tax
interest penalty of $14.17.
Example 5.
Same facts as Example 1 except the return was filed on May
14, 2024, and an extension was filed timely with a payment
of $2,000. Warren and Michelle are subject to the estimated
underpayment interest penalty in this situation because they
did not make all their estimated payments by Jan. 16, 2024,
did not file their return by March 1, 2024, and did not meet
the EXCEPTION TO INTEREST in Section II. The penalty
is calculated on an underpayment of $719 (tax liability of
$4,299 times 90 percent, less tax withheld of $2,150, and
timely estimated payments made of $1,000) times the
number of days late (90) times the daily interest rate
(0.000219), which gives an underpayment of estimated tax
interest penalty of $14.17. Even though Warren and Michelle
have an overpayment of taxes and will receive a refund or
carry-over credit of the overpaid taxes, they are still subject
to the estimated underpayment interest penalty for not
making the full amount of their estimated tax payments by
Jan. 16, 2024, filing and paying the amount due with a return
filed by March 1, 2024, or making their total tax payments
and credits for 2023 in at least the same amount of last
year’s taxable income times this year’s tax rate.
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Example 6.
Same facts as Example 5 except no payment was made
with a timely filed extension. Warren and Michelle are
subject to the estimated underpayment interest penalty in
this situation because they did not make all their estimated
payments by Jan. 16, 2024, did not file their return by March
1, 2024, and did not meet the EXCEPTION TO INTEREST
in Section II. The penalty is calculated on an underpayment
of $719 (tax liability of $4,299 times 90 percent, less tax
withheld of $2,150, and timely estimated payments made of
$1,000) times the number of days late (90), times the daily
interest rate (0.000219), which gives an underpayment of
estimated tax interest penalty of $14.17. Assuming payment

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is made when the return is filed, Warren and Michelle will
also be subject to a late payment penalty of 5 percent on
the amount of underpaid taxes ($1,149), or $57.45 along
with interest of $7.30.
Example 7.
Same facts as Example 1 except Warren’s gross income
from farming was $325,000. Warren and Michelle do not
qualify as farmers and must complete Form REV-1630,
Underpayment of Estimated Tax by Individuals, to calculate
their underpayment of estimated tax interest penalty.

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