Instructions For Form 20 - Oregon Corporation Excise Tax

treated as a separate corporation. All income, deduc-

change additions, subtractions, or credits, include detail

tions, and credits of the QSSS will be treated as belong-

of all items and amounts, including carryovers.

ing to the parent S corporation.

If you change taxable income by amending your federal

Unitary business. A business that has, directly or indi-

return you must file an amended Oregon return within

90 days. Attach a copy of your amended federal return

rectly between members or parts of the enterprise, either

a sharing or an exchange of value shown by:

to your amended Oregon return and explain the adjust-

ments made.

• Centralized management or a common executive force.

If you filed Form 20-S, Oregon S Corporation Tax Return,

• Centralized administrative services or functions

150-102-025, and later determined you should file Form

resulting in economies of scale.

• Flow of goods, capital resources, or services showing

20 check the “Amended” box on Form 20.

functional integration.

You may make payments online for your amended

returns at

Separate returns. Any corporation that files a separate

federal return must file a separate Oregon return if it’s

Don’t make payments for amended returns with EFT

doing business in Oregon or has income from an Oregon

(Electronic Funds Transfer). This also applies to e-filed

source.

amended returns. For paper returns, you may pay online

or include a check or money order with your return. For

A corporation subject to Oregon taxation must also file

e-filed returns, you may pay online or send a check or

a separate Oregon return if it was included in a consoli-

money order separately. If you mail your payment sepa-

dated federal return, but was not unitary with any of the

rate from your return, write “Amended” on the payment

other affiliates. To determine Oregon taxable income,

begin with taxable income from the consolidated federal

and include a completed Form 20-V with the “Amended”

box checked.

return and use Oregon additions or subtractions to show

removal of the nonunitary affiliates.

Don’t amend your Oregon return if you amend the fed-

eral return to carry a net operating loss back to prior

E-file

years. Oregon allows corporations to carry net operat-

If you’re required to e-file with the IRS, you’re also

ing losses forward only.

required to e-file for Oregon. We accept calendar year,

On the estimated tax payments line on your amended

fiscal year, short year, and amended electronic corpora-

Form 20, enter the net excise tax per the original return

tion tax returns utilizing the IRS Modernized e-file plat-

or as previously adjusted. Don’t include any penalty or

form (MeF). Beginning January 2015, we’ll accept e-filed

interest portions of payments already made.

returns for tax year 2014, and will continue accepting

returns for 2013 and 2012.

Pay all tax and interest due when you file your amended

return or within 30 days of receiving a billing notice

Your tax return software also allows you to make elec-

from us to avoid being charged a 5 percent late payment

tronic payments when e-filing your original return.

penalty.

For a list of software vendors or for more information,

see “e-filing” at

If paying additional tax with your amended return, you

must include interest with your payment. Interest is fig-

Federal audit changes

ured from the day after the due date of your original

return up to the day we receive your full payment. See

If the IRS changes your federal return for any tax year,

“Interest rates.”

you must notify us. File an amended Oregon return and

attach a copy of the federal audit report. Mail this sepa-

An amended return may be filed as a protective claim

rately from your current year’s return to:

to extend the statute of limitations for a refund request

Oregon Department of Revenue

for a tax year while an issue is being litigated. Check

PO Box 14777

the “Amended” box and write the words “Protective

Salem OR 97309-0960

claim for refund” at the top. We’ll also accept a written

letter in place of an amended return. Include the same

If you don’t amend or send a copy of the federal report,

information in the letter as is required on an amended

we have two years from the date we’re notified of the

return. We’ll hold your protective claim until you notify

change by the IRS to issue a deficiency notice. To receive

us the litigation has been completed.

a refund you must file a claim for refund of tax within

two years of the date of the federal report.

Note: If a deficiency is assessed against any taxpayer

because of a retroactive adoption of federal law changes,

Amended returns and protective claims

we’ll cancel any penalty or interest pertaining to the

Oregon doesn’t have an amended return form for corpo-

changes. If a taxpayer files an amended return showing

rations. Use the form for the tax year you’re amending

a refund due based on the retroactive adoption of federal

and check the “Amended” box. If you’re amending to

law changes, we won’t pay interest.

150-102-020-1 (Rev. 10-14)

Form 20 Instructions

Instructions For Form 20 - Oregon Corporation Excise Tax - 2014 Page 5

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