WHO MUST FILE?
YOU MUST FILE AN Iowa RETURN IF...
...you were a resident or part-year resident of Iowa in
2008 and meet any of the following requirements.
Nonresidents, see items f. and g.
In meeting the filing requirements below, you must add
back the pension exclusion (line 21, IA 1040), the Social
Security phase-out amount from line 12 of the Iowa
Social Security worksheet, any amount of lump sum
distribution separately taxed on federal form 4972 and
any net operating loss carryover.
Note to married couples: Incomes of both spouses must
be included when determining who must file.
a. You had a net income (line 26 of the IA1040) of more
than $9,000 and your filing status is single. ($18,000
if 65 or older on 12/31/08)
b. You had a net income (line 26 of the IA1040) of more
than $13,500 and your filing status is other than
single. ($24,000 if your or your spouse is 65 or older
on 12/31/08)
c. You were claimed as a dependent on another person's
Iowa return and had a net income (line 26 of the
IA1040; line 4 of the IA 1040A) of $5,000 or more.
d. You were in the military service with Iowa shown as
your legal residence even though stationed outside of
Iowa.
e. You were subject to Iowa lump-sum tax.
f. You were a nonresident or part-year resident and your
net income from Iowa sources (line 26 of the IA126
(pdf) was $1,000 or more. In the case of married
nonresidents, the spouses' combined income is used
to determine if their income is high enough to require
them to file an Iowa return. To understand "Iowasource
income," see the instructions for lines 1-26 of
the IA 126.
g. You were a nonresident or part-year resident and
subject to Iowa lump-sum tax or Iowa minimum tax
(even if Iowa-source income is less than $1,000).
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