---
type: "Bill"
title: "Sales tax: exemptions; exemption for prosthetic devices; modify definition. Amends sec. 1a of 1933 PA 167 (MCL 205.51a) & adds sec. 4ff."
description: "Sales tax: exemptions; exemption for prosthetic devices; modify definition. Amends sec. 1a of 1933 PA 167 (MCL 205.51a) & adds sec. 4ff."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "HB 4203"
citation: "Michigan HB 4203 (2019-2020)"
classification: ["bill"]
subjects: ["Sales tax: exemptions", "Health facilities: other"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 30
vote_count: 2
first_action: "2019-02-19T05:00:00+00:00"
last_action: "2020-03-04T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/52b8d3c2-4ee3-4cd5-8179-4a4059badba3"
source_url: "http://legislature.mi.gov/doc.aspx?2019-HB-4203"
source_hash: "8d16e07cd5eafd0279ffd749fe488d6399f6b4c87e3ba3cdca3af35672c47fae"
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-mi"]
---

# Michigan HB 4203 (2019-2020) — Sales tax: exemptions; exemption for prosthetic devices; modify definition. Amends sec. 1a of 1933 PA 167 (MCL 205.51a) & adds sec. 4ff.

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/House/htm/2019-HEBH-4203.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/House/htm/2019-HEBS-4203.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billconcurred/House/htm/2019-HCB-4203.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/House/htm/2019-HIB-4203.htm)
5. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2020-PA-0046.htm)

## Votes

- passed; given immediate effect Roll Call # 352 Yeas 72 Nays 35 Excused 0 Not Voting 2 — **72–35** (pass) · lower
- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 65 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 — **38–0** (pass) · upper

## Sponsors

- Bronna Kahle — cosponsor (person)
- Lynn Afendoulis — cosponsor (person)

## Timeline

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

- **2019-02-19T05:00:00+00:00** introduced by Representative Lynn Afendoulis `introduction`
- **2019-02-19T05:00:00+00:00** read a first time `reading-1`
- **2019-02-19T05:00:00+00:00** referred to Committee on Tax Policy `referral-committee`
- **2019-02-19T05:00:00+00:00** bill electronically reproduced 02/19/2019
- **2019-09-04T04:00:00+00:00** referred to Committee on Ways and Means, with substitute (H-2) `referral-committee`
- **2019-12-04T05:00:00+00:00** reported with recommendation with substitute (H-2) `committee-passage`
- **2019-12-04T05:00:00+00:00** referred to second reading
- **2019-12-10T05:00:00+00:00** read a second time `reading-2`
- **2019-12-10T05:00:00+00:00** substitute (H-2) adopted
- **2019-12-10T05:00:00+00:00** placed on third reading
- **2019-12-11T05:00:00+00:00** read a third time `reading-3`
- **2019-12-11T05:00:00+00:00** passed; given immediate effect Roll Call # 352 Yeas 72 Nays 35 Excused 0 Not Voting 2 `passage`
- **2019-12-11T05:00:00+00:00** title amended
- **2019-12-11T05:00:00+00:00** transmitted
- **2020-01-08T05:00:00+00:00** REFERRED TO COMMITTEE ON FINANCE `referral-committee`
- **2020-01-30T05:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2020-01-30T05:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2020-01-30T05:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2020-02-13T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2020-02-13T05:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2020-02-18T05:00:00+00:00** AMENDMENT(S) DEFEATED `amendment-failure`
- **2020-02-18T05:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 65 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 `passage`
- **2020-02-18T05:00:00+00:00** INSERTED FULL TITLE
- **2020-02-18T05:00:00+00:00** returned from Senate without amendment with immediate effect and full title
- **2020-02-18T05:00:00+00:00** full title agreed to
- **2020-02-18T05:00:00+00:00** bill ordered enrolled
- **2020-02-20T05:00:00+00:00** presented to the Governor 02/24/2020 11:46 AM `executive-receipt`
- **2020-03-04T05:00:00+00:00** approved by the Governor 03/03/2020 12:39 PM `executive-signature`
- **2020-03-04T05:00:00+00:00** filed with Secretary of State 03/03/2020 04:04 PM
- **2020-03-04T05:00:00+00:00** assigned PA 46'20 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/52b8d3c2-4ee3-4cd5-8179-4a4059badba3`. Confidence: reported (aggregated from official Michigan legislature records).