Instructions for Amended Schedule
O R E G O N
D E PA R T M E N T
For Amending Oregon Individual Income Tax Returns
O F R E V E N U E
Use the amended schedule to calculate your additional
How long will it take to process my amended return?
refund or tax to pay on amended returns. Generally, you
Processing time for amended returns varies. If we receive
will use the same form and instructions you used to com-
your amended return and schedule during our busiest time
plete your original return to complete your amended return.
of the year, Feb ru ary to September, it may take six months
Write “amended” in blue or black ink at the top of your
or longer to pro cess your amended return.
amended Form 40S, Form 40, Form 40N, or Form 40P. Then
use these instructions to complete the amended schedule.
Federal or other state audits
Exceptions:
Did an IRS or another state audit change your Oregon tax-
• Did you originally fi le Form 40S, but are changing to Form
able income? If so, you must attach a copy of the audit report
40? If so, use Form 40 and instructions to complete your
to your amended Oregon return.
amended return.
Net operating loss (NOL)
• Are you changing your residency status (for example,
from full-year resident to part-year resident)? If so, use the
An Oregon NOL is defined the same as a federal NOL.
appropriate form for your corrected residency status.
How ev er, you may have an Oregon NOL without having
a fed er al NOL. Your Oregon NOL is computed under the
Attach the amended schedule to your amended return.
fed er al methods. The only modifi cation is for amounts that
Use Oregon Form 90R to file an amended return for an
Or e gon is prohibited from taxing, such as interest from U.S.
Elderly Rental Assistance (ERA) claim. You should:
Series EE or HH bonds (U.S. government interest).
• Request an ERA booklet for the year you are amending.
Generally an NOL for a full-year resident is the same as the
To order a booklet, see page 3.
federal NOL. Nonresidents are allowed an Oregon NOL if
it is generated from Oregon sources.
• Write “amended” in blue or black ink at the top of Form
90R.
If you are amending for an NOL, be sure to show the year
of the NOL and the NOL calculations.
• Fill out Form 90R using the correct information.
• Attach an explanation of your changes.
Oregon NOL carryover or carryback
Generally, if you carry an NOL back for federal purposes,
How long do I have to fi le for a refund?
you also must carry the Oregon NOL back for Oregon
In most cases, you must fi le for a refund within three years
pur pos es. There is an exception if you were not required
from the due date of your original return, or the date you
to fi le an Or e gon return for all years to which the federal
fi led your original return, whichever is later. If the three-year
NOL de duc tion is applied. If you elect to carry the federal
fi ling period has expired, you still may fi le for a refund if:
NOL for ward, then you must also carry the Oregon NOL
forward.
• You paid tax for the tax year you are amending within the
past two years. Your refund is generally limited to the tax
Special instructions for federal tax liability
you paid in that two-year period.
• You had a net operating loss carryback. Your claim must be
• Did we correct the federal tax subtraction on your original
fi led within three years from the due date of the return for
return? If so, use the corrected amount from our notice.
the tax year when the loss occurred. The due date includes
• Did you pay federal tax or get a federal refund because
extensions.
you were audited or fi led an amended return? If so, see
• The Internal Revenue Service (IRS) or another state
“Federal income tax changes” below.
adjusted your return or assessed tax for failure to fi le a
• Did you claim more than the limit? Refer to the instruc-
return. You must fi le a copy of the audit report, return,
tions in the income tax booklet for the year you received
or assessment and your Oregon amended return and
the refund for the limit amount.
schedule within two years after the federal or other state
correction was made.
Federal income tax changes
When should I fi le and pay if I owe additional tax?
Did you pay additional federal tax because you were
audited or fi led an amended return? If so, claim the addi-
File your amended return and schedule and pay any tax and
tional federal tax as a subtraction on your Oregon return in
interest due as soon as you know that a change needs to be
the year you paid the additional tax.
made. Interest is fi gured from the day after the due date of
Example: You paid additional federal tax in 2006 for an audit
the original return up to the date the tax is paid. There also
adjustment on your 2005 income tax return. Amend your
may be a penalty.
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150-101-061 (12-05) Web