---
type: "Bill"
title: "Revising working retiree provisions under TRS"
description: "Revising working retiree provisions under TRS"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 158"
citation: "Montana HB 158 (2025)"
classification: ["bill"]
subjects: ["Education - K-12", "Retirement", "Senior Citizens"]
status: "enacted"
primary_sponsors: ["Melissa Nikolakakos"]
version_count: 20
action_count: 41
vote_count: 6
first_action: "2024-11-08T15:02:21+00:00"
last_action: "2025-04-17T17:58:40+00:00"
source: "openstates"
source_identifier: "ocd-bill/e4e7b33e-14a9-4b85-94d4-ac60e101d2d9"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0942?open_tab=sum"
source_hash: "73d5f463142dd8e7e6b85cefeaff47bd1077db5cdd71fe211651e377bd93c077"
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 158 (2025) — Revising working retiree provisions under TRS

## Version chain

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

1. **HB0158_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270716)
2. **HB0158_1(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296159)
3. **HB0158_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270717)
4. **HB0158_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270718)
5. **HB0158_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270719)
6. **HB0158_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270738)
7. **HB0158_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270741)
8. **HB0158_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274983)
9. **HB0158_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275651)
10. **HB0158_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276682)
11. **HB0158_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270453)
12. **HB0158_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316452)
13. **HB0158_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316453)
14. **HB0158_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316454)
15. **HB0158_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317385)
16. **HB0158_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320844)
17. **HB0158_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324330)
18. **HB0158_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326037)
19. **HB0158_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310695)
20. **LC0942.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269195)

## Votes

- do_pass — **15–0** (pass) · lower
- Do Pass — **99–1** (pass) · lower
- be_concurred_in — **14–0** (pass) · upper
- Do Concur — **50–0** (pass) · upper
- Do Concur — **50–0** (pass) · upper
- Do Pass — **97–1** (pass) · lower

## Sponsors

- Melissa Nikolakakos — primary (person)

## Timeline

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

- **2024-11-08T15:02:21+00:00** (LC) Drafter Assigned
- **2024-12-04T21:41:20+00:00** (LC) Draft in Legal Review
- **2024-12-11T18:58:44+00:00** (LC) Draft in Edit
- **2024-12-16T19:27:48+00:00** (LC) Draft in Input/Proofing
- **2024-12-16T22:02:26+00:00** (LC) Draft in Final Drafter Review
- **2024-12-17T14:12:35+00:00** (LC) Draft in Assembly
- **2024-12-20T19:27:13+00:00** (LC) Draft Ready for Delivery
- **2025-01-08T15:16:41+00:00** (LC) Draft Delivered to Requester
- **2025-01-09T21:27:36+00:00** (H) Introduced
- **2025-01-09T21:45:16+00:00** (H) Fiscal Note Requested
- **2025-01-10T19:08:22+00:00** (H) Referred to Committee - (H) Education `referral-committee`
- **2025-01-10T20:47:45+00:00** (H) First Reading `reading-1`
- **2025-01-12T03:11:51+00:00** (H) Hearing - (H) Education
- **2025-01-15T16:03:40+00:00** (H) Fiscal Note Received `receipt`
- **2025-01-15T21:16:49+00:00** (H) Fiscal Note Signed
- **2025-01-16T14:51:00+00:00** (H) Fiscal Note Printed
- **2025-01-17T23:15:56+00:00** (H) Committee Executive Action--Bill Passed - (H) Education `committee-passage`
- **2025-01-20T19:11:21+00:00** (H) Committee Executive Action--Bill Passed - (H) Education `committee-passage`
- **2025-01-20T21:49:00+00:00** (H) Committee Report--Bill Passed - (H) Education `committee-passage`
- **2025-01-24T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-01-24T21:50:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-01-27T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-01-27T22:10:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-01-27T22:26:20+00:00** (H) Transmitted to Senate
- **2025-01-28T20:56:23+00:00** (S) First Reading `reading-1`
- **2025-02-18T01:30:05+00:00** (S) Referred to Committee - (S) Education and Cultural Resources `referral-committee`
- **2025-02-20T15:38:24+00:00** (S) Hearing - (S) Education and Cultural Resources
- **2025-03-20T21:31:00+00:00** (S) Committee Executive Action--Bill Concurred - (S) Education and Cultural Resources
- **2025-03-24T21:13:00+00:00** (S) Committee Report--Bill Concurred - (S) Education and Cultural Resources
- **2025-03-27T22:37:05+00:00** (S) 2nd Reading Pass Consideration `reading-2`
- **2025-03-28T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-03-28T19:20:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-03-31T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-03-31T21:02:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-03-31T21:02:19+00:00** (H) Sent to Enrolling
- **2025-04-02T18:08:17+00:00** (H) Returned from Enrolling
- **2025-04-07T18:00:24+00:00** (H) Signed by Speaker `passage`
- **2025-04-09T17:30:28+00:00** (S) Signed by President `passage`
- **2025-04-09T19:50:28+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-04-16T13:15:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-04-17T17:58:40+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/e4e7b33e-14a9-4b85-94d4-ac60e101d2d9`. Confidence: reported (aggregated from official Montana legislature records).