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HF566 • 2026

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

Taxes
Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
WHEELER
Last action
2025-02-24
Official status
Introduced, referred to Ways and Means. H.J. 415 .
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

What This Bill Does

  • A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

  1. 2025-02-24 Iowa Legislature

    Introduced, referred to Ways and Means. H.J. 415 .

Official Summary Text

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

Current Bill Text

Read the full stored bill text
House

File

566

-

Introduced

HOUSE

FILE

566

BY

WHEELER

A

BILL

FOR

An

Act

modifying

individual

income

tax

rates

and

providing

tax

1

credits

for

certain

married

persons

filing

a

joint

return,

2

and

including

effective

date

and

retroactive

applicability

3

provisions.

4

BE

IT

ENACTED

BY

THE

GENERAL

ASSEMBLY

OF

THE

STATE

OF

IOWA:

5

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566

Section

1.

Section

421.27,

subsection

9,

paragraph

a,

1

subparagraph

(3),

Code

2025,

is

amended

to

read

as

follows:

2

(3)

In

the

case

of

all

other

entities,

including

3

corporations

described

in

section

422.36,

subsection

5

,

and

all

4

other

entities

required

to

file

an

information

return

under

5

section

422.15,

subsection

2

,

the

entity’s

Iowa

net

income

6

after

the

application

of

the

Iowa

business

activity

ratio,

if

7

applicable,

multiplied

by

the

highest

income

tax

rate

imposed

8

under

section

422.5

for

the

tax

year,

less

any

Iowa

tax

credits

9

available

to

the

entity.

10

Sec.

2.

Section

422.5,

subsection

1,

paragraph

a,

Code

2025,

11

is

amended

to

read

as

follows:

12

a.

A

tax

is

imposed

upon

every

resident

and

nonresident

13

of

the

state

which

tax

shall

be

levied,

collected,

and

paid

14

annually

upon

and

with

respect

to

the

entire

taxable

income

as

15

defined

in

this

subchapter

at

a

rate

of

three

and

eight-tenths

16

percent.

the

following

rates:

17

(1)

In

the

case

of

married

persons

filing

jointly

with

five

18

or

more

dependents

under

the

age

of

eighteen,

zero

percent.

19

(2)

In

the

case

of

married

persons

filing

jointly

for

the

20

first

or

second

time

in

their

lifetimes,

zero

percent.

21

(3)

In

the

case

of

any

other

taxpayer

other

than

described

22

in

subparagraphs

(1)

and

(2),

three

and

eight-tenths

percent.

23

Sec.

3.

NEW

SECTION

.

422.10C

Additional

dependent

tax

24

credit.

25

1.

For

married

persons

filing

a

joint

return

the

taxes

26

imposed

under

this

subchapter

less

the

credits

allowed

under

27

section

422.12

shall

be

reduced

by

an

additional

dependent

28

tax

credit

equal

to

the

product

of

the

number

of

dependents

29

exceeding

five

but

not

more

than

ten

that

are

under

the

age

of

30

eighteen

multiplied

by

one

thousand

dollars.

31

2.

Any

credit

in

excess

of

the

tax

liability

is

refundable.

32

In

lieu

of

claiming

a

refund,

the

taxpayer

may

elect

to

have

33

the

overpayment

shown

on

the

taxpayer’s

final,

completed

return

34

credited

to

the

tax

liability

for

the

following

five

years

35

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566

until

depleted,

whichever

is

earlier.

1

3.

The

director

of

revenue

shall

adopt

rules

to

implement

2

this

section.

3

Sec.

4.

Section

422.16,

subsection

2,

paragraph

e,

Code

4

2025,

is

amended

to

read

as

follows:

5

e.

For

the

purposes

of

this

subsection

,

state

income

6

tax

shall

be

withheld

at

the

highest

rate

described

in

7

section

422.5

from

supplemental

wages

of

an

employee

in

those

8

circumstances

in

which

the

employer

treats

the

supplemental

9

wages

as

wholly

separate

from

regular

wages

for

purposes

10

of

withholding

and

federal

income

tax

is

withheld

from

the

11

supplemental

wages

under

section

3402(g)

of

the

Internal

12

Revenue

Code.

13

Sec.

5.

Section

422.16B,

subsection

2,

paragraph

a,

14

subparagraph

(2),

Code

2025,

is

amended

to

read

as

follows:

15

(2)

The

tax

rate

applicable

to

a

tiered

pass-through

entity

16

shall

be

the

highest

state

income

tax

rate

under

section

422.5

.

17

Sec.

6.

Section

422.16C,

subsection

4,

paragraph

a,

Code

18

2025,

is

amended

to

read

as

follows:

19

a.

A

taxpayer

making

an

election

under

this

section

shall

20

be

subject

to

tax

in

an

amount

equal

to

the

maximum

rate

under

21

section

422.5

,

imposed

against

the

taxable

income

of

the

22

taxpayer

for

the

taxable

year

properly

determined

under

this

23

chapter

and

allocated

and

apportioned

to

the

state

under

the

24

rules

adopted

by

the

department.

The

tax

shall

be

due

with

the

25

taxpayer’s

return

required

under

this

chapter

.

26

Sec.

7.

Section

422.16C,

subsection

5,

paragraph

a,

27

subparagraph

(2),

Code

2025,

is

amended

to

read

as

follows:

28

(2)

The

difference

between

one

hundred

percent

and

the

29

highest

individual

income

tax

rate

in

effect

for

the

tax

year.

30

Sec.

8.

EFFECTIVE

DATE.

This

Act,

being

deemed

of

immediate

31

importance,

takes

effect

upon

enactment.

32

Sec.

9.

RETROACTIVE

APPLICABILITY.

This

Act

applies

33

retroactively

to

January

1,

2025,

for

tax

years

beginning

on

34

or

after

that

date.

35

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566

EXPLANATION

1

The

inclusion

of

this

explanation

does

not

constitute

agreement

with

2

the

explanation’s

substance

by

the

members

of

the

general

assembly.

3

This

bill

modifies

individual

income

tax

rates

and

provides

4

tax

credits

for

certain

married

persons

filing

a

joint

return.

5

The

bill

decreases

the

income

tax

rate

on

taxable

income

for

6

married

persons

filing

jointly

from

3.8

percent

to

0

percent,

7

if

such

married

persons

have

5

or

more

dependents

under

the

8

age

of

18.

The

bill

decreases

the

income

tax

rate

on

taxable

9

income

for

married

persons

filing

jointly

from

3.8

percent

to

10

0

percent,

if

such

married

persons

are

filing

jointly

for

the

11

first

or

second

time

in

their

lifetimes.

12

The

bill

also

creates

an

additional

dependent

credit

for

13

married

persons

filing

a

joint

return

equal

to

the

product

of

14

the

number

of

dependents

exceeding

5

but

not

more

than

10

that

15

are

under

the

age

of

18

multiplied

by

$1,000.

16

Any

credit

in

excess

of

the

tax

liability

is

refundable.

In

17

lieu

of

claiming

a

refund,

the

taxpayer

may

elect

to

have

the

18

overpayment

shown

on

the

taxpayer’s

final,

completed

return

19

credited

to

the

tax

liability

for

the

following

five

years

20

until

depleted,

whichever

is

earlier.

21

The

bill

takes

effect

upon

enactment

and

applies

22

retroactively

to

tax

years

beginning

on

or

after

January

1,

23

2025.

24

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