---
type: "Bill"
title: "Revise property tax reporting and clarifying AUM calculations"
description: "Revise property tax reporting and clarifying AUM calculations"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 52"
citation: "Montana HB 52 (2021)"
classification: ["bill"]
subjects: ["Taxation (Generally)", "Taxation--Property"]
status: "enacted"
primary_sponsors: ["Tom Welch"]
version_count: 3
action_count: 45
vote_count: 6
first_action: "2020-08-28"
last_action: "2021-03-26"
source: "openstates"
source_identifier: "ocd-bill/b7dfd72e-6326-4504-b37e-cb7f6815c7d7"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=52&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "5ef78bd3034380d87741e98adba102fd11ccf8dab5be17bcf5d30db289fae2eb"
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 52 (2021) — Revise property tax reporting and clarifying AUM calculations

## Version chain

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

1. **HB0052_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0099//HB0052_1.pdf)
2. **HB0052_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0099//HB0052_X.pdf)
3. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0052.pdf)

## Votes

- Do Pass — **98–0** (pass) · lower
- BE CONCURRED IN — **11–0** (pass) · upper
- Do Pass — **99–0** (pass) · lower
- Do Concur — **49–0** (pass) · upper
- Do Concur — **50–0** (pass) · upper
- DO PASS — **18–0** (pass) · lower

## Sponsors

- Tom Welch — primary (person)

## Timeline

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

- **2020-08-28** Draft Request Received
- **2020-10-21** Draft On Hold
- **2020-10-22** Draft Taken Off Hold
- **2020-10-23** Draft in Legal Review
- **2020-11-03** Draft in Edit
- **2020-11-16** Draft to Drafter - Edit Review
- **2020-11-16** Draft in Input/Proofing
- **2020-11-24** Draft in Final Drafter Review
- **2020-11-24** Bill Draft Text Available Electronically
- **2020-11-27** Draft in Input/Proofing
- **2020-11-27** Draft in Final Drafter Review
- **2020-11-27** Bill Draft Text Available Electronically
- **2020-11-30** Executive Director Review
- **2020-11-30** Draft in Assembly
- **2020-12-13** Introduced Bill Text Available Electronically
- **2020-12-24** Introduced `introduction`
- **2020-12-24** Referred to Committee - (H) Taxation `referral-committee`
- **2021-01-04** First Reading - (H) Taxation `reading-1`
- **2021-01-07** Hearing - (H) Taxation
- **2021-01-07** Amendments Available
- **2021-01-08** Committee Executive Action--Bill Passed - (H) Taxation `committee-passage`
- **2021-01-08** Committee Report--Bill Passed - (H) Taxation `committee-passage`
- **2021-01-11** Scheduled for 2nd Reading
- **2021-01-11** 2nd Reading Passed `reading-2`
- **2021-01-12** Scheduled for 3rd Reading
- **2021-01-12** 3rd Reading Passed `passage, reading-3`
- **2021-01-12** Transmitted to Senate
- **2021-01-13** First Reading `reading-1`
- **2021-01-13** Referred to Committee - (S) Taxation `referral-committee`
- **2021-01-22** Hearing - (S) Taxation
- **2021-01-29** Committee Executive Action--Bill Concurred - (S) Taxation
- **2021-02-01** Committee Report--Bill Concurred - (S) Taxation
- **2021-03-10** Scheduled for 2nd Reading
- **2021-03-10** 2nd Reading Concurred `reading-2`
- **2021-03-11** Scheduled for 3rd Reading
- **2021-03-11** 3rd Reading Concurred `passage, reading-3`
- **2021-03-11** Returned to House
- **2021-03-12** Sent to Enrolling
- **2021-03-15** Returned from Enrolling
- **2021-03-15** Printed - Enrolled Version Available
- **2021-03-16** Signed by Speaker
- **2021-03-17** Signed by President
- **2021-03-17** Transmitted to Governor `executive-receipt`
- **2021-03-26** Signed by Governor `executive-signature`
- **2021-03-26** 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/b7dfd72e-6326-4504-b37e-cb7f6815c7d7`. Confidence: reported (aggregated from official Montana legislature records).