---
type: "Bill"
title: "Impose reporting requirements for state agencies and departments"
description: "Impose reporting requirements for state agencies and departments"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "HB 580"
citation: "Montana HB 580 (2023)"
classification: ["bill"]
subjects: ["State Government"]
status: "enacted"
primary_sponsors: ["Bill Mercer"]
version_count: 12
action_count: 60
vote_count: 9
first_action: "2022-12-11T23:48:12+00:00"
last_action: "2023-05-19T17:02:04+00:00"
source: "openstates"
source_identifier: "ocd-bill/aefdb5a0-dbf8-459a-8c2b-29e5abfe6c4d"
source_url: "https://bills.legmt.gov/#/bill/20231/LC4016"
source_hash: "921ef145d2e5ca4f1eb24bf84f5ddf57f6a42b98252ad7bd590343e40b00e27b"
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 580 (2023) — Impose reporting requirements for state agencies and departments

## Version chain

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

1. **HB0580.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9052)
2. **HB0580.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9053)
3. **HB0580.001.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9055)
4. **HB0580.001.005.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9056)
5. **HB0580.001.005_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9050)
6. **HB0580.001.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9051)
7. **HB0580.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9054)
8. **HB0580.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9049)
9. **HB0580_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9059)
10. **HB0580_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9062)
11. **HB0580_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9060)
12. **HB0580_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9061)

## Votes

- (H) 2nd Reading Motion to Amend Carried — **99–1** (pass) · lower
- (H) 3rd Reading Passed — **89–10** (pass) · lower
- (H) 2nd Reading Passed as Amended — **92–8** (pass) · lower
- (S) Committee Executive Action--Bill Concurred as Amended — **9–1** (pass) · upper
- (H) 2nd Reading Senate Amendments Concurred — **100–0** (pass) · lower
- (H) 3rd Reading Passed as Amended by Senate — **91–8** (pass) · lower
- (H) Committee Executive Action--Bill Passed — **12–2** (pass) · lower
- (S) 2nd Reading Concurred — **48–2** (pass) · upper
- (S) 3rd Reading Concurred — **46–4** (pass) · upper

## Sponsors

- Bill Mercer — primary (person)

## Timeline

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

- **2023-05-19T17:02:04+00:00** Chapter Number Assigned `became-law`
- **2023-05-18T23:08:15+00:00** (H) Signed by Governor `executive-signature`
- **2023-05-08T16:20:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2023-05-04T23:00:00+00:00** (S) Signed by President `passage`
- **2023-05-04T20:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-01T17:05:33+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-05-01T17:05:32+00:00** (H) Returned from Enrolling
- **2023-04-26T21:17:17+00:00** (H) Sent to Enrolling
- **2023-04-26T19:41:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2023-04-26T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-24T20:18:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-24T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-21T13:39:32+00:00** (H) Revised Fiscal Note Printed
- **2023-04-20T15:49:42+00:00** (H) Revised Fiscal Note Signed
- **2023-04-20T13:58:13+00:00** (H) Revised Fiscal Note Received `receipt`
- **2023-04-19T02:14:00+00:00** (S) Returned to House with Amendments
- **2023-04-18T22:08:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2023-04-18T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-18T13:39:47+00:00** (H) Revised Fiscal Note Requested
- **2023-04-18T00:14:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-17T22:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-15T01:38:24+00:00** (C) Printed - New Version Available
- **2023-04-14T23:48:00+00:00** (S) Committee Report--Bill Concurred as Amended
- **2023-04-14T21:00:00+00:00** (S) Committee Executive Action--Bill Concurred as Amended
- **2023-04-05T21:00:00+00:00** (S) Hearing
- **2023-04-01T02:36:34+00:00** (S) Hearing Canceled
- **2023-03-14T15:10:20+00:00** (S) Referred to Committee `referral-committee`
- **2023-03-10T00:13:55+00:00** (S) First Reading `reading-1`
- **2023-03-03T17:19:46+00:00** (H) Transmitted to Senate
- **2023-03-03T04:20:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T01:04:06+00:00** (C) Printed - New Version Available
- **2023-03-01T18:53:01+00:00** (H) 2nd Reading Passed as Amended `reading-2, reading-2`
- **2023-03-01T18:53:00+00:00** (H) 2nd Reading Motion to Amend Carried `reading-2`
- **2023-02-27T21:22:00+00:00** (H) Committee Report--Bill Passed `committee-passage`
- **2023-02-27T19:23:21+00:00** (H) Fiscal Note Printed
- **2023-02-27T16:07:19+00:00** (H) Fiscal Note Signed
- **2023-02-24T23:59:34+00:00** (H) Fiscal Note Received `receipt`
- **2023-02-23T19:00:00+00:00** (H) Committee Executive Action--Bill Passed `committee-passage`
- **2023-02-22T19:00:13+00:00** (H) Hearing
- **2023-02-22T18:05:57+00:00** (C) Amendments Available
- **2023-02-16T20:31:44+00:00** (H) First Reading `reading-1`
- **2023-02-16T17:54:09+00:00** (H) Referred to Committee `referral-committee`
- **2023-02-16T14:56:07+00:00** (H) Fiscal Note Requested
- **2023-02-16T05:08:26+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-16T01:42:43+00:00** (H) Introduced
- **2023-02-15T23:18:24+00:00** (C) Draft Delivered to Requester
- **2023-02-15T01:16:48+00:00** (C) Draft Ready for Delivery
- **2023-02-14T22:46:38+00:00** (C) Executive Director Final Review
- **2023-02-14T22:46:34+00:00** (C) Draft Ready for Delivery
- **2023-02-14T21:10:56+00:00** (C) Draft in Assembly
- **2023-02-14T20:32:16+00:00** (C) Executive Director Review
- **2023-02-14T16:02:41+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-14T16:02:40+00:00** (C) Draft in Final Drafter Review
- **2023-02-13T22:17:00+00:00** (C) Draft in Input/Proofing
- **2023-02-13T22:01:44+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-11T00:08:56+00:00** (C) Draft in Edit
- **2023-02-10T23:46:28+00:00** (C) Draft in Legal Review
- **2023-02-10T21:40:36+00:00** (C) Draft to Requester for Review
- **2023-02-10T16:33:42+00:00** (C) Draft to Requester for Review
- **2022-12-11T23:48:12+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/aefdb5a0-dbf8-459a-8c2b-29e5abfe6c4d`. Confidence: reported (aggregated from official Montana legislature records).