---
type: "Bill"
title: "Revise requirements for dissemination of confidential criminal justice info"
description: "Revise requirements for dissemination of confidential criminal justice info"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 559"
citation: "Montana HB 559 (2021)"
classification: ["bill"]
subjects: ["Crimes", "Privacy"]
status: "enacted"
primary_sponsors: ["Bill Mercer"]
version_count: 3
action_count: 55
vote_count: 8
first_action: "2020-12-13"
last_action: "2021-05-14"
source: "openstates"
source_identifier: "ocd-bill/b3b3dc8e-5c4e-481f-b745-6fa0263dba35"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=559&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "9aab4cc775fd1067ef21631995b6f74ce0235edcef43dbfcae6b994d5d1547d6"
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 559 (2021) — Revise requirements for dissemination of confidential criminal justice info

## Version chain

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

1. **HB0559_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0599//HB0559_1.pdf)
2. **HB0559_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0599//HB0559_2.pdf)
3. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0559.pdf)

## Votes

- Do Concur — **98–0** (pass) · lower
- Do Pass — **100–0** (pass) · lower
- Do Pass — **93–5** (pass) · lower
- Do Concur — **50–0** (pass) · upper
- DO PASS — **18–1** (pass) · lower
- BE CONCURRED IN AS AMENDED — **11–0** (pass) · upper
- Do Concur — **49–0** (pass) · upper
- Do Concur — **100–0** (pass) · lower

## Sponsors

- Bill Mercer — primary (person)

## Timeline

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

- **2020-12-13** Draft Request Received
- **2020-12-28** Draft On Hold
- **2021-02-16** Draft to Requester for Review
- **2021-02-16** Draft in Legal Review
- **2021-02-16** Draft in Edit
- **2021-02-19** Draft to Drafter - Edit Review
- **2021-02-19** Draft in Input/Proofing
- **2021-02-20** Draft in Final Drafter Review
- **2021-02-20** Bill Draft Text Available Electronically
- **2021-02-20** Executive Director Review
- **2021-02-22** Draft in Assembly
- **2021-02-22** Draft Ready for Delivery
- **2021-02-22** Executive Director Final Review
- **2021-02-22** Draft Ready for Delivery
- **2021-02-22** Draft Delivered to Requester
- **2021-02-22** Introduced `introduction`
- **2021-02-22** Fiscal Note Requested
- **2021-02-22** Introduced Bill Text Available Electronically
- **2021-02-23** Referred to Committee - (H) Judiciary `referral-committee`
- **2021-02-23** First Reading `reading-1`
- **2021-02-24** Hearing - (H) Judiciary
- **2021-02-24** Committee Executive Action--Bill Passed - (H) Judiciary `committee-passage`
- **2021-02-26** Fiscal Note Received
- **2021-02-26** Fiscal Note Signed
- **2021-02-26** Fiscal Note Printed
- **2021-02-26** Committee Report--Bill Passed - (H) Judiciary `committee-passage`
- **2021-03-01** Scheduled for 2nd Reading
- **2021-03-01** 2nd Reading Passed `reading-2`
- **2021-03-02** Scheduled for 3rd Reading
- **2021-03-02** 3rd Reading Passed `passage, reading-3`
- **2021-03-02** Transmitted to Senate
- **2021-03-08** First Reading `reading-1`
- **2021-03-08** Referred to Committee - (S) Judiciary `referral-committee`
- **2021-04-07** Amendments Available
- **2021-04-09** Hearing - (S) Judiciary
- **2021-04-09** Committee Executive Action--Bill Concurred as Amended - (S) Judiciary
- **2021-04-12** Committee Report--Bill Concurred as Amended - (S) Judiciary
- **2021-04-13** Printed - New Version Available
- **2021-04-14** Scheduled for 2nd Reading
- **2021-04-14** 2nd Reading Concurred `reading-2`
- **2021-04-15** Scheduled for 3rd Reading
- **2021-04-15** 3rd Reading Concurred `passage, reading-3`
- **2021-04-15** Returned to House with Amendments
- **2021-04-22** Scheduled for 2nd Reading
- **2021-04-22** 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2`
- **2021-04-23** Scheduled for 3rd Reading
- **2021-04-23** 3rd Reading Passed as Amended by Senate `passage, reading-3`
- **2021-04-23** Sent to Enrolling
- **2021-04-30** Returned from Enrolling
- **2021-04-30** Printed - Enrolled Version Available
- **2021-05-04** Signed by Speaker
- **2021-05-04** Signed by President
- **2021-05-04** Transmitted to Governor `executive-receipt`
- **2021-05-14** Signed by Governor `executive-signature`
- **2021-05-14** 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/b3b3dc8e-5c4e-481f-b745-6fa0263dba35`. Confidence: reported (aggregated from official Montana legislature records).