---
type: "Bill"
title: "Clarify definition of bison"
description: "Clarify definition of bison"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 318"
citation: "Montana HB 318 (2021)"
classification: ["bill"]
subjects: ["Indians", "Livestock (see also: Agriculture; Taxation--Agriculture/Livestock)"]
status: "enacted"
primary_sponsors: ["Kenneth L Holmlund"]
version_count: 4
action_count: 56
vote_count: 9
first_action: "2020-11-19"
last_action: "2021-05-14"
source: "openstates"
source_identifier: "ocd-bill/eec969d0-c4e3-41aa-bd8c-36edde3f9fd8"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=318&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "5ddb42ec90ea8db64bf0da8d4667d31a1eb15e7c4701111ed5646ea81ab38520"
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 318 (2021) — Clarify definition of bison

## Version chain

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

1. **HB0318_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0318_1.pdf)
2. **HB0318_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0318_2.pdf)
3. **HB0318_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0399//HB0318_X.pdf)
4. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0318.pdf)

## Votes

- Do Pass — **66–34** (pass) · lower
- AMD-003 Flowers D/PASS — **21–29** (fail) · upper
- Do Pass — **65–33** (pass) · lower
- Do Concur — **31–19** (pass) · upper
- Do Concur — **67–33** (pass) · lower
- BE CONCURRED IN AS AMENDED — **7–4** (pass) · upper
- Do Concur — **31–19** (pass) · upper
- DO PASS — **11–6** (pass) · lower
- Do Concur — **65–32** (pass) · lower

## Sponsors

- Kenneth L Holmlund — primary (person)

## Timeline

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

- **2020-11-19** Draft Request Received
- **2020-12-17** Draft to Requester for Review
- **2021-01-14** Draft to Requester for Review
- **2021-01-15** Draft to Requester for Review
- **2021-01-15** Draft in Legal Review
- **2021-01-15** Draft in Edit
- **2021-01-19** Draft to Drafter - Edit Review
- **2021-01-20** Draft in Input/Proofing
- **2021-01-20** Draft Ready for Delivery
- **2021-01-20** Executive Director Final Review
- **2021-01-20** Draft in Input/Proofing
- **2021-01-29** Draft in Final Drafter Review
- **2021-01-29** Bill Draft Text Available Electronically
- **2021-01-29** Executive Director Review
- **2021-01-29** Draft in Assembly
- **2021-01-29** Draft Ready for Delivery
- **2021-01-29** Executive Director Final Review
- **2021-01-29** Draft Ready for Delivery
- **2021-02-03** Draft Delivered to Requester
- **2021-02-04** Introduced `introduction`
- **2021-02-04** Introduced Bill Text Available Electronically
- **2021-02-05** Referred to Committee - (H) Agriculture `referral-committee`
- **2021-02-05** First Reading `reading-1`
- **2021-02-16** Hearing - (H) Agriculture
- **2021-02-18** Committee Executive Action--Bill Passed - (H) Agriculture `committee-passage`
- **2021-02-19** Committee Report--Bill Passed - (H) Agriculture `committee-passage`
- **2021-02-23** Scheduled for 2nd Reading
- **2021-02-23** 2nd Reading Passed `reading-2`
- **2021-02-24** Scheduled for 3rd Reading
- **2021-02-24** 3rd Reading Passed `passage, reading-3`
- **2021-02-24** Transmitted to Senate
- **2021-02-25** First Reading `reading-1`
- **2021-02-25** Referred to Committee - (S) Agriculture, Livestock and Irrigation `referral-committee`
- **2021-03-09** Hearing - (S) Agriculture, Livestock and Irrigation
- **2021-03-11** Amendments Available
- **2021-03-16** Committee Executive Action--Bill Concurred as Amended - (S) Agriculture, Livestock and Irrigation
- **2021-03-17** Committee Report--Bill Concurred as Amended - (S) Agriculture, Livestock and Irrigation
- **2021-03-17** Printed - New Version Available
- **2021-03-26** Scheduled for 2nd Reading
- **2021-03-26** 2nd Reading Motion to Amend Failed `amendment-failure`
- **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
- **2021-04-23** Scheduled for 2nd Reading
- **2021-04-23** 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
- **2021-05-01** Returned from Enrolling
- **2021-05-01** 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/eec969d0-c4e3-41aa-bd8c-36edde3f9fd8`. Confidence: reported (aggregated from official Montana legislature records).