A bill for an act relating to radon by establishing radon mitigation requirements, creating a radon mitigation system tax credit available against the individual and corporate income taxes, and including retroactive applicability provisions. (Formerly HF 211 .)

House

File

1027

-

Reprinted

HOUSE

FILE

1027

BY

COMMITTEE

ON

WAYS

AND

MEANS

(SUCCESSOR

TO

HF

211)

(As

Amended

and

Passed

by

the

House

April

23,

2025

)

A

BILL

FOR

An

Act

relating

to

radon

by

establishing

radon

mitigation

1

requirements,

creating

a

radon

mitigation

system

tax

credit

2

available

against

the

individual

and

corporate

income

taxes,

3

and

including

retroactive

applicability

provisions.

4

BE

IT

ENACTED

BY

THE

GENERAL

ASSEMBLY

OF

THE

STATE

OF

IOWA:

5

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91

jm/jh/md

H.F.

1027

Section

1.

NEW

SECTION

.

103A.8E

Radon

mitigation

1

requirements.

2

The

commissioner

shall

adopt

as

part

of

the

state

building

3

code

a

requirement

that

new

single-family

or

two-family

4

residential

construction

must

include

passive

methods

for

the

5

mitigation

of

radon.

The

requirement

shall

only

apply

to

6

single-family

or

two-family

residential

construction

commenced

7

after

the

adoption

of

the

requirement.

8

Sec.

2.

NEW

SECTION

.

422.10C

Radon

mitigation

system

tax

9

credit.

10

1.

As

used

in

this

section,

“radon

mitigation

system”

means

11

a

system

designed

to

reduce

radon

concentrations

in

the

indoor

12

air

of

a

building

that

has

been

installed.

13

2.

The

taxes

imposed

under

this

subchapter,

less

the

credits

14

allowed

under

section

422.12,

shall

be

reduced

by

a

radon

15

mitigation

system

tax

credit

equal

to

the

amount

to

purchase

16

and

install

a

radon

mitigation

system,

not

to

exceed

one

17

thousand

dollars.

18

3.

An

individual

may

claim

the

tax

credit

allowed

a

19

partnership,

limited

liability

company,

S

corporation,

estate,

20

or

trust

electing

to

have

the

income

taxed

directly

to

the

21

individual.

The

amount

claimed

by

the

individual

shall

be

22

based

upon

the

pro

rata

share

of

the

individual’s

earnings

of

23

the

partnership,

limited

liability

company,

S

corporation,

24

estate,

or

trust.

25

4.

Any

credit

in

excess

of

the

taxpayer’s

tax

liability

26

for

the

tax

year

is

not

refundable

but

the

excess

for

the

tax

27

year

may

be

credited

to

the

tax

liability

for

the

following

tax

28

year.

29

Sec.

3.

Section

422.33,

Code

2025,

is

amended

by

adding

the

30

following

new

subsection:

31

NEW

SUBSECTION

.

11.

a.

The

taxes

imposed

under

this

32

subchapter

shall

be

reduced

by

a

radon

mitigation

system

tax

33

credit

equal

to

the

amount

to

purchase

and

install

a

radon

34

mitigation

system,

not

to

exceed

one

thousand

dollars.

35

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H.F.

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b.

The

taxpayer

may

claim

the

credit

pursuant

to

this

1

subsection

according

to

the

same

requirements,

conditions,

and

2

limitations

as

provided

pursuant

to

section

422.10C.

3

Sec.

4.

RETROACTIVE

APPLICABILITY.

The

following

apply

4

retroactively

to

January

1,

2025,

for

tax

years

beginning

on

5

or

after

that

date:

6

1.

The

section

of

this

Act

enacting

section

422.10C.

7

2.

The

section

of

this

Act

amending

section

422.33.

8

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