---
type: "Bill"
title: "Revise student data collection laws"
description: "Revise student data collection laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 599"
citation: "Montana HB 599 (2025)"
classification: ["bill"]
subjects: ["Education - K-12", "Information Technology", "Minors", "Privacy"]
status: "enacted"
primary_sponsors: ["Melissa Nikolakakos"]
version_count: 37
action_count: 40
vote_count: 8
first_action: "2024-12-13T14:50:45+00:00"
last_action: "2025-05-19T17:34:14+00:00"
source: "openstates"
source_identifier: "ocd-bill/f2dd47de-628e-4c37-9237-12075951a8d3"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3016?open_tab=sum"
source_hash: "8509604c50141f57c4df2e16c7b9c7a3d79f28ad2c4933e89110752477144edc"
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 599 (2025) — Revise student data collection laws

## Version chain

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

1. **HB0599.001.001_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289021)
2. **HB0599.001.001_Amendments-in-Context_final-full(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289287)
3. **HB0599.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289020)
4. **HB0599.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313227)
5. **HB0599.002.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313228)
6. **HB0599_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=285027)
7. **HB0599_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290921)
8. **HB0599_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290922)
9. **HB0599_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290923)
10. **HB0599_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290924)
11. **HB0599_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284739)
12. **HB0599_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290926)
13. **HB0599_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315143)
14. **HB0599_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315144)
15. **HB0599_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290928)
16. **HB0599_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290929)
17. **HB0599_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290991)
18. **HB0599_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290992)
19. **HB0599_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=291021)
20. **HB0599_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=293849)
21. **HB0599_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294022)
22. **HB0599_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314632)
23. **HB0599_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=290925)
24. **HB0599_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315146)
25. **HB0599_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325100)
26. **HB0599_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325101)
27. **HB0599_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326728)
28. **HB0599_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317242)
29. **HB0599_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317930)
30. **HB0599_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317932)
31. **HB0599_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318003)
32. **HB0599_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318004)
33. **HB0599_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320905)
34. **HB0599_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324364)
35. **HB0599_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325099)
36. **HB0599_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315145)
37. **LC3016.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281312)

## Votes

- do_pass_as_amended — **12–3** (pass) · lower
- Do Pass — **74–25** (pass) · lower
- Do Concur — **29–21** (pass) · upper
- Do Concur — **27–23** (pass) · upper
- to_table — **14–0** (pass) · upper
- Take HB 599 from Comm-McKamey — **27–23** (pass) · upper
- AMD-HB0599.002.001 Emrich D/PASS — **24–26** (fail) · upper
- Do Pass — **67–32** (pass) · lower

## Sponsors

- Melissa Nikolakakos — primary (person)

## Timeline

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

- **2024-12-13T14:50:45+00:00** (LC) Drafter Assigned
- **2024-12-13T14:50:45+00:00** (LC) Draft On Hold
- **2025-01-27T19:24:29+00:00** (LC) Draft Taken Off Hold
- **2025-02-07T21:22:38+00:00** (LC) Draft in Legal Review
- **2025-02-09T19:41:14+00:00** (LC) Draft in Edit
- **2025-02-12T16:01:08+00:00** (LC) Draft in Input/Proofing
- **2025-02-12T18:22:17+00:00** (LC) Draft in Final Drafter Review
- **2025-02-12T19:57:22+00:00** (LC) Draft in Assembly
- **2025-02-13T13:39:24+00:00** (LC) Draft Ready for Delivery
- **2025-02-18T18:26:45+00:00** (LC) Draft Delivered to Requester
- **2025-02-20T14:54:35+00:00** (H) Introduced
- **2025-02-20T18:53:00+00:00** (H) Referred to Committee - (H) Education `referral-committee`
- **2025-02-20T19:51:28+00:00** (H) First Reading `reading-1`
- **2025-02-25T01:05:36+00:00** (H) Hearing - (H) Education
- **2025-03-01T01:48:50+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Education `committee-passage`
- **2025-03-01T21:08:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Education `committee-passage`
- **2025-03-05T15:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-05T18:50:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-07T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-07T16:37:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-07T18:00:00+00:00** (H) Transmitted to Senate
- **2025-03-14T23:06:17+00:00** (S) First Reading `reading-1`
- **2025-03-14T23:35:00+00:00** (S) Referred to Committee - (S) Education and Cultural Resources `referral-committee`
- **2025-03-31T19:04:09+00:00** (S) Hearing - (S) Education and Cultural Resources
- **2025-04-08T00:43:53+00:00** (S) Hearing - (S) Education and Cultural Resources
- **2025-04-15T21:45:30+00:00** (S) Tabled in Committee - (S) Education and Cultural Resources `amendment-deferral`
- **2025-04-17T19:37:00+00:00** (S) Taken from Committee; Placed on 2nd Reading - (S) Education and Cultural Resources `reading-2, reading-2`
- **2025-04-18T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-18T21:24:00+00:00** (S) 2nd Reading Motion to Amend Failed `amendment-failure, failure, reading-2`
- **2025-04-18T21:32:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-22T18:30:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-22T21:12:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-23T00:29:23+00:00** (S) Returned to House
- **2025-04-23T01:35:00+00:00** (H) Sent to Enrolling
- **2025-04-25T20:59:26+00:00** (H) Returned from Enrolling
- **2025-05-02T17:00:20+00:00** (H) Signed by Speaker `passage`
- **2025-05-06T20:00:07+00:00** (S) Signed by President `passage`
- **2025-05-07T15:03:52+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-13T19:03:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-19T17:34:14+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/f2dd47de-628e-4c37-9237-12075951a8d3`. Confidence: reported (aggregated from official Montana legislature records).