---
type: "Bill"
title: "Relating to: opioid antagonist administration in jails and medication-assisted treatment availability in prisons and jails. (FE)"
description: "Relating to: opioid antagonist administration in jails and medication-assisted treatment availability in prisons and jails. (FE)"
jurisdiction: "us/states/wi"
legislature: "Wisconsin Legislature"
session: "2019"
identifier: "AB 645"
citation: "Wisconsin AB 645 (2019)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Billings", "Born", "Bowen", "Dittrich", "Edming", "Felzkowski", "Jagler", "Kitchens", "Knodl", "Kulp", "Magnafici", "Mursau", "Novak", "Nygren", "Petersen", "Petryk", "Plumer", "Ramthun", "Rohrkaste", "Snyder", "Spiros", "Thiesfeldt", "Tranel", "Tusler"]
version_count: 2
action_count: 34
vote_count: 3
first_action: "2019-12-05T06:00:00+00:00"
last_action: "2020-03-03T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/efaebb03-fc4b-425c-b501-0ac4dd179232"
source_url: "http://docs.legis.wisconsin.gov/2019/proposals/reg/asm/bill/ab645"
source_hash: "3edfc272e4e0a4aeebe37d1d73ce409b3af1b6eaddb7b3dac8f6c13176c927a2"
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-wi"]
---

# Wisconsin AB 645 (2019) — Relating to: opioid antagonist administration in jails and medication-assisted treatment availability in prisons and jails. (FE)

## Version chain

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

1. **Assembly Amendment 1** (committee substitute) — [source](http://docs.legis.wisconsin.gov/document/amends/2019/REG/AB645-AA1)
2. **Bill Text** (committee substitute) — [source](http://docs.legis.wisconsin.gov/document/proposaltext/2019/REG/AB645)

## Votes

- Report passage as amended recommended by Committee on Substance Abuse and Prevention, Ayes 9, Noes 0 — **9–0** (pass) · lower
- Public hearing requirement waived by committee on Senate Organization, pursuant to Senate Rule 18 (1m), Ayes 5, Noes 0 — **5–0** (pass) · upper
- Report Assembly Amendment 1 adoption recommended by Committee on Substance Abuse and Prevention, Ayes 9, Noes 0 — **9–0** (pass) · lower

## Sponsors

- Billings — primary (person)
- Born — primary (person)
- Bowen — primary (person)
- Dittrich — primary (person)
- Edming — primary (person)
- Felzkowski — primary (person)
- Jagler — primary (person)
- Kitchens — primary (person)
- Knodl — primary (person)
- Kulp — primary (person)
- Magnafici — primary (person)
- Mursau — primary (person)
- Novak — primary (person)
- Nygren — primary (person)
- Petersen — primary (person)
- Petryk — primary (person)
- Plumer — primary (person)
- Ramthun — primary (person)
- Rohrkaste — primary (person)
- Snyder — primary (person)
- Spiros — primary (person)
- Thiesfeldt — primary (person)
- Tranel — primary (person)
- Tusler — primary (person)

## Timeline

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

- **2019-12-05T06:00:00+00:00** Introduced by Representatives Born, Nygren, Billings, Bowen, Dittrich, Edming, Felzkowski, Jagler, Kitchens, Knodl, Kulp, Magnafici, Mursau, Novak, Petersen, Petryk, Plumer, Ramthun, Rohrkaste, Snyder, Spiros, Thiesfeldt, Tranel and Tusler; cosponsored by Senators Darling, Cowles, Olsen and Wanggaard `introduction`
- **2019-12-05T06:00:00+00:00** Read first time and referred to Committee on Substance Abuse and Prevention `referral-committee`
- **2020-01-06T06:00:00+00:00** Representative Stuck added as a coauthor
- **2020-01-07T06:00:00+00:00** Fiscal estimate received
- **2020-01-07T06:00:00+00:00** Fiscal estimate received
- **2020-01-08T06:00:00+00:00** Public hearing held
- **2020-01-13T06:00:00+00:00** Assembly Amendment 1 offered by Representative Born `amendment-introduction`
- **2020-01-15T06:00:00+00:00** Executive action taken
- **2020-01-16T06:00:00+00:00** Report Assembly Amendment 1 adoption recommended by Committee on Substance Abuse and Prevention, Ayes 9, Noes 0
- **2020-01-16T06:00:00+00:00** Report passage as amended recommended by Committee on Substance Abuse and Prevention, Ayes 9, Noes 0 `committee-passage-favorable`
- **2020-01-16T06:00:00+00:00** Referred to committee on Rules `referral-committee`
- **2020-01-16T06:00:00+00:00** Placed on calendar 1-21-2020 by Committee on Rules
- **2020-01-21T06:00:00+00:00** Read a second time `reading-2`
- **2020-01-21T06:00:00+00:00** Assembly Amendment 1 adopted `amendment-passage`
- **2020-01-21T06:00:00+00:00** Ordered to a third reading
- **2020-01-21T06:00:00+00:00** Rules suspended
- **2020-01-21T06:00:00+00:00** Read a third time and passed `passage`
- **2020-01-21T06:00:00+00:00** Ordered immediately messaged
- **2020-01-22T06:00:00+00:00** Received from Assembly
- **2020-02-13T06:00:00+00:00** Read first time and referred to committee on Senate Organization `referral-committee`
- **2020-02-13T06:00:00+00:00** Available for scheduling
- **2020-02-14T06:00:00+00:00** Public hearing requirement waived by committee on Senate Organization, pursuant to Senate Rule 18 (1m), Ayes 5, Noes 0
- **2020-02-14T06:00:00+00:00** Placed on calendar 2-19-2020 pursuant to Senate Rule 18(1)
- **2020-02-19T06:00:00+00:00** Senator Larson added as a cosponsor
- **2020-02-19T06:00:00+00:00** Read a second time `reading-2`
- **2020-02-19T06:00:00+00:00** Ordered to a third reading
- **2020-02-19T06:00:00+00:00** Rules suspended
- **2020-02-19T06:00:00+00:00** Read a third time and concurred in `passage`
- **2020-02-19T06:00:00+00:00** Ordered immediately messaged
- **2020-02-20T06:00:00+00:00** Received from Senate concurred in
- **2020-02-25T06:00:00+00:00** Report correctly enrolled on 2-25-2020
- **2020-02-28T06:00:00+00:00** Presented to the Governor on 2-28-2020 by directive of the Speaker `executive-receipt`
- **2020-03-03T06:00:00+00:00** Report approved by the Governor on 3-3-2020. 2019 Wisconsin Act 119 `executive-signature`
- **2020-03-03T06:00:00+00:00** Published 3-4-2020

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/efaebb03-fc4b-425c-b501-0ac4dd179232`. Confidence: reported (aggregated from official Wisconsin legislature records).