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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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.
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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.
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