SF2503 • 2026

A bill for an act modifying the sales or use tax refund for biodiesel production, and including retroactive applicability provisions.(Formerly SF 2275 , SSB 3102 .)

Taxes

Passed Legislature

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

Sponsor: COMMITTEE ON WAYS AND MEANS
Last action: 2026-05-02
Official status: Attached to HF 2786 . S.J. 972 .
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 the sales or use tax refund for biodiesel production, and including retroactive applicability provisions.(Formerly SF 2275 , SSB 3102 .)

What This Bill Does

A bill for an act modifying the sales or use tax refund for biodiesel production, and including retroactive applicability provisions.(Formerly SF 2275 , SSB 3102 .)

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

2026-05-02 Iowa Legislature
Attached to HF 2786 . S.J. 972 .
2026-05-01 Iowa Legislature
Fiscal note .
2026-05-01 Iowa Legislature
Committee report, approving bill. S.J. 959 .
2026-05-01 Iowa Legislature
Introduced, placed on Ways and Means calendar. S.J. 957 .

Official Summary Text

A bill for an act modifying the sales or use tax refund for biodiesel production, and including retroactive applicability provisions.(Formerly SF 2275 , SSB 3102 .)

Current Bill Text

Read the full stored bill text

Senate

File

2503

-

Introduced

SENATE

FILE

2503

BY

COMMITTEE

ON

WAYS

AND

MEANS

(SUCCESSOR

TO

SF

2275)

(SUCCESSOR

TO

SSB

3102)

A

BILL

FOR

An

Act

modifying

the

sales

or

use

tax

refund

for

biodiesel

1

production,

and

including

retroactive

applicability

2

provisions.

3

BE

IT

ENACTED

BY

THE

GENERAL

ASSEMBLY

OF

THE

STATE

OF

IOWA:

4

TLSB

5832SZ

(2)

91

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S.F.

2503

Section

1.

Section

423.4,

subsection

9,

paragraph

b,

Code

1

2026,

is

amended

to

read

as

follows:

2

b.

The

amount

of

the

refund

shall

be

calculated

by

3

multiplying

a

designated

rate

by

the

total

number

of

gallons

4

of

biodiesel

produced

by

the

biodiesel

producer

in

this

state

5

during

each

quarter

of

a

calendar

year.

The

Beginning

January

6

1,

2026,

but

before

January

1,

2027,

the

designated

rate

shall

7

be

four

five

cents.

Beginning

January

1,

2027,

but

before

8

January

1,

2028,

the

designated

rate

shall

be

four

cents.

9

Sec.

2.

RETROACTIVE

APPLICABILITY.

This

Act

applies

10

retroactively

to

January

1,

2026,

for

gallons

of

biodiesel

11

produced

by

a

biodiesel

producer

in

this

state

on

or

after

that

12

date.

13

EXPLANATION

14

The

inclusion

of

this

explanation

does

not

constitute

agreement

with

15

the

explanation’s

substance

by

the

members

of

the

general

assembly.

16

Beginning

January

1,

2026,

but

before

January

1,

2027,

this

17

bill

increases

the

sales

or

use

tax

refund

available

to

the

18

producers

of

biodiesel

from

4

cents

per

gallon

to

5

cents

per

19

gallon.

Beginning

January

1,

2027,

but

before

January

1,

2028,

20

the

bill

reverts

the

refund

amount

back

to

4

cents

per

gallon

21

of

biodiesel

produced.

The

amount

of

the

refund

is

calculated

22

by

multiplying

the

designated

rate

(currently

4

cents)

by

the

23

total

number

of

gallons

of

biodiesel

produced

by

the

biodiesel

24

producer

in

this

state.

The

bill

does

not

change

the

repeal

25

date

of

January

1,

2028.

26

The

bill

applies

retroactively

to

January

1,

2026,

for

27

gallons

of

biodiesel

produced

by

a

biodiesel

producer

in

this

28

state

on

or

after

that

date.

29

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