---
type: "Bill"
title: "Revise property tax assistance program inflation adjustment laws"
description: "Revise property tax assistance program inflation adjustment laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 357"
citation: "Montana HB 357 (2021)"
classification: ["bill"]
subjects: ["Military Affairs", "Revenue", "State", "Taxation (Generally)", "Taxation--Property"]
status: "enacted"
primary_sponsors: ["Jim Hamilton"]
version_count: 5
action_count: 70
vote_count: 10
first_action: "2020-12-01"
last_action: "2021-05-14"
source: "openstates"
source_identifier: "ocd-bill/c50799bc-e8e9-45c4-b516-297b90179cf4"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=357&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "f6c95c4bc65d555af68460149a0a52c922a8fe7f91b5486da132946363fc680f"
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 357 (2021) — Revise property tax assistance program inflation adjustment laws

## Version chain

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

1. **HB0357_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0357_1.pdf)
2. **HB0357_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0357_2.pdf)
3. **HB0357_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0357_3.pdf)
4. **HB0357_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0357_X.pdf)
5. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0357.pdf)

## Votes

- Do Concur — **49–1** (pass) · upper
- Do Concur — **41–9** (pass) · upper
- DO PASS — **15–3** (pass) · lower
- BE CONCURRED IN AS AMENDED — **19–0** (pass) · upper
- Do Concur — **48–1** (pass) · upper
- Do Concur — **68–32** (pass) · lower
- Do Concur — **67–31** (pass) · lower
- Do Pass — **68–32** (pass) · lower
- Do Pass — **64–34** (pass) · lower
- BE CONCURRED IN AS AMENDED — **11–0** (pass) · upper

## Sponsors

- Jim Hamilton — primary (person)

## Timeline

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

- **2020-12-01** Draft Request Received
- **2021-01-13** Draft to Requester for Review
- **2021-01-18** Draft On Hold
- **2021-02-03** Draft in Legal Review
- **2021-02-03** Draft in Edit
- **2021-02-06** Draft to Drafter - Edit Review
- **2021-02-08** Draft in Input/Proofing
- **2021-02-08** Draft in Final Drafter Review
- **2021-02-08** Bill Draft Text Available Electronically
- **2021-02-08** Executive Director Review
- **2021-02-08** Draft in Assembly
- **2021-02-08** Draft Ready for Delivery
- **2021-02-08** Executive Director Final Review
- **2021-02-08** Draft Ready for Delivery
- **2021-02-10** Draft Delivered to Requester
- **2021-02-10** Introduced `introduction`
- **2021-02-10** Fiscal Note Requested
- **2021-02-10** Introduced Bill Text Available Electronically
- **2021-02-10** Referred to Committee - (H) Taxation `referral-committee`
- **2021-02-10** First Reading - (H) Taxation `reading-1`
- **2021-02-17** Hearing - (H) Taxation
- **2021-02-17** Fiscal Note Received
- **2021-02-17** Fiscal Note Unsigned
- **2021-02-17** Sponsor Rebuttal to Fiscal Note Requested
- **2021-02-17** Fiscal Note Printed
- **2021-02-18** Sponsor Rebuttal to Fiscal Note Received
- **2021-02-18** Sponsor Rebuttal to Fiscal Note Signed
- **2021-02-18** Sponsor Rebuttal to Fiscal Note Printed
- **2021-02-19** Committee Executive Action--Bill Passed - (H) Taxation `committee-passage`
- **2021-02-19** Committee Report--Bill Passed - (H) Taxation `committee-passage`
- **2021-03-10** Scheduled for 2nd Reading
- **2021-03-10** 2nd Reading Passed `reading-2`
- **2021-03-11** Scheduled for 3rd Reading
- **2021-03-11** 3rd Reading Passed `passage, reading-3`
- **2021-03-11** Transmitted to Senate
- **2021-03-12** First Reading `reading-1`
- **2021-03-12** Referred to Committee - (S) Taxation `referral-committee`
- **2021-03-18** Hearing - (S) Taxation
- **2021-03-24** Amendments Available
- **2021-03-25** Committee Executive Action--Bill Concurred as Amended - (S) Taxation
- **2021-03-26** Committee Report--Bill Concurred as Amended - (S) Taxation
- **2021-03-26** Printed - New Version Available
- **2021-03-30** Scheduled for 2nd Reading
- **2021-03-30** 2nd Reading Concurred `reading-2`
- **2021-03-30** Rereferred to Committee - (S) Finance and Claims `referral-committee`
- **2021-04-12** Hearing - (S) Finance and Claims
- **2021-04-20** Committee Executive Action--Bill Concurred as Amended - (S) Finance and Claims
- **2021-04-21** Revised Fiscal Note Requested
- **2021-04-21** Printed - New Version Available
- **2021-04-21** Committee Report--Bill Concurred as Amended - (S) Finance and Claims
- **2021-04-22** Revised Fiscal Note Received
- **2021-04-22** Fiscal Note Unsigned
- **2021-04-22** Revised Fiscal Note Printed
- **2021-04-23** Scheduled for 2nd Reading
- **2021-04-23** 2nd Reading Concurred `reading-2`
- **2021-04-23** Scheduled for 3rd Reading
- **2021-04-23** 3rd Reading Concurred `passage, reading-3`
- **2021-04-23** Returned to House with Amendments
- **2021-04-26** Scheduled for 2nd Reading
- **2021-04-26** 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2`
- **2021-04-26** Scheduled for 3rd Reading
- **2021-04-26** 3rd Reading Passed as Amended by Senate `passage, reading-3`
- **2021-04-26** Sent to Enrolling
- **2021-05-04** Returned from Enrolling
- **2021-05-04** 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/c50799bc-e8e9-45c4-b516-297b90179cf4`. Confidence: reported (aggregated from official Montana legislature records).