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Arizona Form 120ES

Taxpayers whose Arizona corporate income tax liability for the

Computation of Required Installments of

preceding taxable year was less than $20,000 may elect voluntary

Estimated Tax on Form 120W

participation in the electronic funds transfer program. Voluntary

Taxpayers should use Form 120W, Estimated Tax Worksheet for

participants in the program must complete the department’s electronic

Corporations, to compute the amount of the required installments of

funds transfer authorization agreement at least 30 days prior to the

estimated tax.

ﬁ rst applicable transaction.

Underpayment of Required Installments of

Estimated Tax Payments via the Internet.

Estimated Tax

Taxpayers must be licensed by the Department of Revenue before

If the taxpayer is required to make Arizona corporate estimated tax

they can register to pay taxes online. Visit to register

payments, a penalty will be imposed on any required installment that

and make estimated tax payments over the internet. If the taxpayer

is late or underpaid.

makes its estimated tax payments via the internet, the taxpayer

should not submit Form 120ES to the department.

Recomputing

Required

Installments

Estimated Tax

Electronic payment from checking or savings account

If the taxpayer, after paying one or more required installments of

Estimated tax payments can be made electronically from a checking

estimated tax, ﬁ nds that its tax liability for the taxable year will be

or savings account. Visit and choose the e-check

more or less than originally estimated, the taxpayer should recompute

option. There is no fee to use this method. This payment method will

its required installments. If earlier installments were underpaid, the

debit the amount from the speciﬁ ed checking or savings account on

taxpayer may be subject to a penalty for underpayment of estimated

the date speciﬁ ed. If an electronic payment is made from a checking

tax.

or savings account, a conﬁ rmation number will be generated. Please

keep this conﬁ rmation number as proof of payment.

If a new estimate is made, the required installments payable on or

after the date of the new estimate should be adjusted. An immediate

Credit card payment

“catch-up” payment should be made to reduce the amount of any

Estimated tax payments can be made via American Express, Discover,

penalty resulting from the underpayment of any earlier installments,

MasterCard or VISA credit cards. Visit and choose

whether caused by a change in estimate, failure to make a payment,

the credit card option. This will take you to the website of the credit

or a mistake.

card payment service provider. The service provider will charge a

Completing Form 120ES

convenience fee based on the amount of the tax payment. The service

provider will disclose the amount of the convenience fee during the

Complete the form in its entirety to ensure the proper application of the

transaction and the option to continue or cancel the transaction will be

estimated tax payment.

presented. If you accept the convenience fee and complete the credit

card transaction, a conﬁ rmation number will be generated. Please

Enter the following information on Form 120ES:

keep this conﬁ rmation number as proof of payment.

•

ending date of the taxable year for which the payment is made;

Who is Required to Make Estimated Tax

•

sequence number of the estimated tax payment;

Payments

•

taxpayer name, address and employer identiﬁ cation number

(EIN) as it will appear on the tax return;

Entities ﬁ ling Forms 99T, 120, 120A, and 120S that expect an Arizona

•

amount of the estimated tax payment (in whole dollars).

tax liability for the taxable year of at least $1,000 are required to make

Arizona estimated tax payments.

Check the applicable box on the form if the estimated tax payment

applies to a taxable year for which:

A unitary group of corporations ﬁ ling a combined return on Form 120

must make estimated tax payments on a combined basis. Therefore, a

•

the taxpayer will ﬁ le an initial return under the name and EIN

unitary group, as a single taxpayer, must make estimated tax payments

listed; or

if its Arizona tax liability for the taxable year is at least $1,000.

•

the name, address or EIN listed is different from the name,

address or EIN under which the preceding taxable year’s return

An Arizona afﬁ liated group ﬁ ling a consolidated return pursuant to

was ﬁ led. If the EIN has changed, list the prior EIN.

ARS § 43-947 on Form 120 must make estimated tax payments on a

consolidated basis. Therefore, an Arizona afﬁ liated group, as a single

Rounding Dollar Amounts

taxpayer, must make estimated tax payments if its Arizona tax liability

Taxpayers must round amounts to the nearest whole dollar. If 50

for the taxable year is at least $1,000.

cents or more, round up to the next dollar. If less than 50 cents, round

down.

When to Make Estimated Tax Payments

Calendar year and ﬁ scal year basis taxpayers are required to make

their Arizona corporate estimated tax payments by the 15th day of the

4th, 6th, 9th, and 12th months of the taxable year. If the installment due

date falls on a weekend or legal holiday, the payment is considered

timely if made on the next business day.

ADOR 10339 (10)

DRAFT 9/2/10, 3:10 p.m.

Previous ADOR 91-0027

Arizona Form 120es Draft - Corporation Estimated Tax Payment - 2011, Arizona Form 120w Draft - Estimated Tax Worksheet For Corporations - 2011 Page 2

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