---
type: "Bill"
title: "Quantum research tax incentives."
description: "Amends the state sales and use tax exemption for data centers to include projects for investments in a quantum computing research, advanced computing, and defense infrastructure network that result in a minimum qualified investment within five years of at least $50,000,000."
jurisdiction: "us/states/in"
legislature: "Indiana General Assembly"
session: "2025"
identifier: "HB 1601"
citation: "Indiana HB 1601 (2025)"
classification: ["bill"]
subjects: ["ECONOMIC DEVELOPMENT", "HIGHER EDUCATION; Financial Assistance (Including Student Assistance", "Loans", "Grants", "and FAFSA)", "HOMELAND SECURITY; Civil Defense", "TAXES; Exemptions", "TAXES; Sales and Use Taxes", "TECHNOLOGY; Communication (Including Internet", "Phone Lines", "Print Media", "Radio", "and Television)", "TECHNOLOGY; Computers", "Cell Phones", "and Devices"]
status: "enacted"
primary_sponsors: ["Brian Buchanan", "Edmond Soliday", "Eric Koch", "Travis Holdman"]
version_count: 4
action_count: 27
vote_count: 5
first_action: "2025-01-21"
last_action: "2025-05-01"
source: "openstates"
source_identifier: "ocd-bill/be0e4c6d-faf0-4478-a225-eb82b0bb6cca"
source_url: "https://api.iga.in.gov/2025/bills/hb1601"
source_hash: "aef419df1fc5d27c6bdacf2e174e934934dec1f68b5dc1d0304f100ac3c0dfff"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-in"]
---

# Indiana HB 1601 (2025) — Quantum research tax incentives.

Amends the state sales and use tax exemption for data centers to include projects for investments in a quantum computing research, advanced computing, and defense infrastructure network that result in a minimum qualified investment within five years of at least $50,000,000.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Enrolled House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1601/HB1601.04.ENRS.pdf)
2. **House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1601/HB1601.03.COMS.pdf)
3. **House Bill (S)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1601/HB1601.02.COMH.pdf)
4. **Introduced House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1601/HB1601.01.INTR.pdf)

## Votes

- HB 1601 - Soliday — **61–24** (pass) · lower
- HB 1601 - Holdman - 3rd Reading — **30–18** (pass) · upper
- HB 1601 - Soliday - 2nd Reading — **28–68** (fail) · lower
- HB 1601 - Holdman - 2nd Reading — **12–35** (fail) · upper
- HB 1601 - Soliday - 3rd Reading — **76–18** (pass) · lower

## Sponsors

- Brian Buchanan — primary (person)
- Edmond Soliday — primary (person)
- Eric Koch — primary (person)
- Travis Holdman — primary (person)
- Carolyn Jackson — coauthor (person)
- Dave Hall — coauthor (person)
- Greg Goode — cosponsor (person)
- Jim Pressel — coauthor (person)
- Justin Busch — cosponsor (person)
- Lonnie Randolph — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-01-21** First reading: referred to Committee on Ways and Means `reading-1, referral-committee`
- **2025-01-21** Authored by Representative Soliday
- **2025-02-13** Committee report: amend do pass, adopted `committee-passage`
- **2025-02-17** Representative Pressel added as coauthor
- **2025-02-17** Second reading: ordered engrossed `reading-2`
- **2025-02-17** Amendment #2 (DeLaney) failed; Roll Call 182: yeas 28, nays 68 `amendment-failure, failure`
- **2025-02-17** Representative Hall added as coauthor
- **2025-02-17** Representative Jackson C added as coauthor
- **2025-02-18** Third reading: passed; Roll Call 195: yeas 76, nays 18 `passage, reading-3, reading-3`
- **2025-02-18** Senate sponsors: Senators Holdman, Koch, Buchanan
- **2025-02-19** Referred to the Senate `referral`
- **2025-03-03** First reading: referred to Committee on Tax and Fiscal Policy `reading-1, referral-committee`
- **2025-04-01** Committee report: amend do pass, adopted `committee-passage`
- **2025-04-03** Senator Randolph added as cosponsor
- **2025-04-07** Second reading: ordered engrossed `reading-2`
- **2025-04-07** Senator Goode added as cosponsor
- **2025-04-07** Amendment #1 (Qaddoura) failed; Roll Call 342: yeas 12, nays 35 `amendment-failure, failure`
- **2025-04-10** Senator Busch added as cosponsor
- **2025-04-15** Third reading: passed; Roll Call 446: yeas 30, nays 18 `passage, reading-3, reading-3`
- **2025-04-16** Returned to the House with amendments `receipt`
- **2025-04-21** House concurred with Senate amendments; Roll Call 503: yeas 61, nays 24
- **2025-04-21** Motion to concur filed `filing`
- **2025-04-21** Signed by the Speaker `passage`
- **2025-04-22** Signed by the President Pro Tempore `passage`
- **2025-04-23** Signed by the President of the Senate `passage`
- **2025-05-01** Public Law 178 `became-law`
- **2025-05-01** Signed by the Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/be0e4c6d-faf0-4478-a225-eb82b0bb6cca`. Confidence: reported (aggregated from official Indiana legislature records).