---
type: "Bill"
title: "Require OBPP to report actual costs to cost projected in fiscal notes"
description: "Require OBPP to report actual costs to cost projected in fiscal notes"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 146"
citation: "Montana HB 146 (2021)"
classification: ["bill"]
subjects: ["Appropriation Process", "State Government"]
status: "enacted"
primary_sponsors: ["Bill Mercer"]
version_count: 5
action_count: 62
vote_count: 9
first_action: "2020-11-10"
last_action: "2021-04-30"
source: "openstates"
source_identifier: "ocd-bill/0b657791-cd37-42ec-9a29-1bf6cbcfb708"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=146&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "1ce5be2aa20554a722a85a573b7ca05ddb73ffed68bf29e66d2182f0f0c8cc49"
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 146 (2021) — Require OBPP to report actual costs to cost projected in fiscal notes

## Version chain

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

1. **HB0146_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0146_1.pdf)
2. **HB0146_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0146_2.pdf)
3. **HB0146_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0146_3.pdf)
4. **HB0146_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0146_X.pdf)
5. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0146.pdf)

## Votes

- DO PASS AS AMENDED — **14–0** (pass) · lower
- Do Concur — **95–3** (pass) · lower
- BE CONCURRED IN AS AMENDED — **8–0** (pass) · upper
- Do Concur — **50–0** (pass) · upper
- Do Concur — **100–0** (pass) · lower
- Do Pass — **99–0** (pass) · lower
- Do Pass — **95–5** (pass) · lower
- DO PASS — **23–0** (pass) · lower
- Do Concur — **50–0** (pass) · upper

## Sponsors

- Bill Mercer — primary (person)

## Timeline

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

- **2020-11-10** Draft Request Received
- **2020-12-29** Draft in Legal Review
- **2020-12-30** Draft in Edit
- **2020-12-31** Draft to Drafter - Edit Review
- **2021-01-06** Draft in Input/Proofing
- **2021-01-07** Draft in Final Drafter Review
- **2021-01-07** Bill Draft Text Available Electronically
- **2021-01-07** Executive Director Review
- **2021-01-07** Draft in Assembly
- **2021-01-08** Draft Ready for Delivery
- **2021-01-08** Executive Director Final Review
- **2021-01-08** Draft Ready for Delivery
- **2021-01-11** Introduced `introduction`
- **2021-01-11** Fiscal Note Requested
- **2021-01-11** Draft Delivered to Requester
- **2021-01-11** Referred to Committee - (H) Legislative Administration `referral-committee`
- **2021-01-11** First Reading `reading-1`
- **2021-01-11** Introduced Bill Text Available Electronically
- **2021-01-15** Fiscal Note Received
- **2021-01-18** Fiscal Note Unsigned
- **2021-01-18** Fiscal Note Printed
- **2021-01-18** Hearing - (H) Legislative Administration
- **2021-02-05** Amendments Available
- **2021-02-08** Committee Executive Action--Bill Passed as Amended - (H) Legislative Administration `committee-passage`
- **2021-02-09** Revised Fiscal Note Requested
- **2021-02-09** Committee Report--Bill Passed as Amended - (H) Legislative Administration `committee-passage`
- **2021-02-10** Printed - New Version Available
- **2021-02-11** Scheduled for 2nd Reading
- **2021-02-11** 2nd Reading Passed `reading-2`
- **2021-02-11** Rereferred to Committee - (H) Appropriations `referral-committee`
- **2021-02-12** Revised Fiscal Note Received
- **2021-02-12** Revised Fiscal Note Signed
- **2021-02-12** Revised Fiscal Note Printed
- **2021-02-15** Hearing - (H) Appropriations
- **2021-02-16** Committee Executive Action--Bill Passed - (H) Appropriations `committee-passage`
- **2021-02-17** Committee Report--Bill Passed - (H) Appropriations `committee-passage`
- **2021-02-18** Scheduled for 3rd Reading
- **2021-02-18** 3rd Reading Passed `passage, reading-3`
- **2021-02-18** Transmitted to Senate
- **2021-02-19** First Reading `reading-1`
- **2021-02-19** Referred to Committee - (S) State Administration `referral-committee`
- **2021-03-17** Hearing - (S) State Administration
- **2021-03-19** Committee Executive Action--Bill Concurred as Amended - (S) State Administration
- **2021-03-22** Printed - New Version Available
- **2021-03-22** Committee Report--Bill Concurred as Amended - (S) State Administration
- **2021-03-26** Scheduled for 2nd Reading
- **2021-03-26** 2nd Reading Concurred `reading-2`
- **2021-03-29** Scheduled for 3rd Reading
- **2021-03-29** 3rd Reading Concurred `passage, reading-3`
- **2021-03-29** Returned to House with Amendments
- **2021-04-12** Scheduled for 2nd Reading
- **2021-04-12** 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2`
- **2021-04-13** Scheduled for 3rd Reading
- **2021-04-13** 3rd Reading Passed as Amended by Senate `passage, reading-3`
- **2021-04-13** Sent to Enrolling
- **2021-04-15** Returned from Enrolling
- **2021-04-15** Printed - Enrolled Version Available
- **2021-04-20** Signed by Speaker
- **2021-04-21** Signed by President
- **2021-04-22** Transmitted to Governor `executive-receipt`
- **2021-04-30** Signed by Governor `executive-signature`
- **2021-04-30** 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/0b657791-cd37-42ec-9a29-1bf6cbcfb708`. Confidence: reported (aggregated from official Montana legislature records).