---
type: "Bill"
title: "Revise ABLE Act definitions to conform to Montana individual income tax code"
description: "Revise ABLE Act definitions to conform to Montana individual income tax code"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 671"
citation: "Montana HB 671 (2025)"
classification: ["bill"]
subjects: ["Health", "Taxation", "Taxation--Individual Income"]
status: "enacted"
primary_sponsors: ["Melissa Nikolakakos"]
version_count: 20
action_count: 41
vote_count: 6
first_action: "2024-11-22T21:03:48+00:00"
last_action: "2025-05-05T17:20:41+00:00"
source: "openstates"
source_identifier: "ocd-bill/17252591-8242-4de8-b6de-e12e3afbe8d4"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC1900?open_tab=sum"
source_hash: "16da11641e152e7fb6364bc52bb1cc36f3601749e4a58dcc11d705dc1b087a55"
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-mt"]
---

# Montana HB 671 (2025) — Revise ABLE Act definitions to conform to Montana individual income tax code

## Version chain

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

1. **HB0671_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=286666)
2. **HB0671_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293883)
3. **HB0671_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294111)
4. **HB0671_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304737)
5. **HB0671_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311667)
6. **HB0671_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311670)
7. **HB0671_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=286016)
8. **HB0671_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311672)
9. **HB0671_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326395)
10. **HB0671_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327613)
11. **HB0671_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312261)
12. **HB0671_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312262)
13. **HB0671_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317066)
14. **HB0671_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320633)
15. **HB0671_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321647)
16. **HB0671_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321648)
17. **HB0671_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321649)
18. **HB0671_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324710)
19. **HB0671_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311671)
20. **LC1900.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281756)

## Votes

- do_pass — **20–1** (pass) · lower
- Do Concur — **49–1** (pass) · upper
- be_concurred_in — **8–0** (pass) · upper
- Do Pass — **99–0** (pass) · lower
- Do Pass — **98–0** (pass) · lower
- Do Concur — **49–1** (pass) · upper

## Sponsors

- Melissa Nikolakakos — primary (person)

## Timeline

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

- **2024-11-22T21:03:48+00:00** (LC) Drafter Assigned
- **2025-02-10T15:41:55+00:00** (LC) Draft in Legal Review
- **2025-02-10T23:17:29+00:00** (LC) Draft in Edit
- **2025-02-12T22:27:47+00:00** (LC) Draft in Input/Proofing
- **2025-02-13T03:00:49+00:00** (LC) Draft in Final Drafter Review
- **2025-02-13T13:41:05+00:00** (LC) Draft in Assembly
- **2025-02-17T14:37:25+00:00** (LC) Draft Ready for Delivery
- **2025-02-21T17:12:41+00:00** (LC) Draft Delivered to Requester
- **2025-02-22T17:39:10+00:00** (H) Introduced
- **2025-02-22T17:50:26+00:00** (H) Fiscal Note Requested
- **2025-02-24T16:03:15+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-02-24T20:09:59+00:00** (H) First Reading `reading-1`
- **2025-02-27T13:52:46+00:00** (H) Hearing - (H) Taxation
- **2025-02-27T15:21:58+00:00** (H) Hearing - (H) Taxation
- **2025-02-27T20:34:23+00:00** (H) Fiscal Note Received `receipt`
- **2025-02-27T22:12:35+00:00** (H) Fiscal Note Signed
- **2025-02-28T17:04:53+00:00** (H) Committee Executive Action--Bill Passed - (H) Taxation `committee-passage`
- **2025-02-28T17:06:02+00:00** (H) Fiscal Note Printed
- **2025-02-28T20:45:00+00:00** (H) Committee Report--Bill Passed - (H) Taxation `committee-passage`
- **2025-03-05T15:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-05T22:06:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-07T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-07T16:46:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-07T18:00:00+00:00** (H) Transmitted to Senate
- **2025-03-15T00:01:34+00:00** (S) First Reading `reading-1`
- **2025-03-17T15:06:42+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-03-31T13:52:37+00:00** (S) Hearing - (S) Taxation
- **2025-04-03T01:17:58+00:00** (S) Hearing - (S) Taxation
- **2025-04-04T16:58:42+00:00** (S) Committee Executive Action--Bill Concurred - (S) Taxation
- **2025-04-04T19:59:00+00:00** (S) Committee Report--Bill Concurred - (S) Taxation
- **2025-04-14T16:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T17:35:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T21:42:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-15T21:42:21+00:00** (H) Sent to Enrolling
- **2025-04-17T04:53:18+00:00** (H) Returned from Enrolling
- **2025-04-23T23:00:32+00:00** (H) Signed by Speaker `passage`
- **2025-04-24T17:30:00+00:00** (S) Signed by President `passage`
- **2025-04-24T21:45:28+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:14:29+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-05T17:20:41+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/17252591-8242-4de8-b6de-e12e3afbe8d4`. Confidence: reported (aggregated from official Montana legislature records).