---
type: "Bill"
title: "Use tax; collections; trigger for assessment on certain medical services; eliminate. Amends sec. 3f of 1937 PA 94 (MCL 205.93f). TIE BAR WITH: SB 0994'18"
description: "Use tax; collections; trigger for assessment on certain medical services; eliminate. Amends sec. 3f of 1937 PA 94 (MCL 205.93f). TIE BAR WITH: SB 0994'18"
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "SB 993"
citation: "Michigan SB 993 (2017-2018)"
classification: ["bill"]
subjects: ["Use tax: collections"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 27
vote_count: 2
first_action: "2018-05-10T04:00:00+00:00"
last_action: "2018-06-12T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/8c53e991-54df-444a-83b5-e9c24901952f"
source_url: "http://legislature.mi.gov/doc.aspx?2018-SB-0993"
source_hash: "3d5c4cb8e9391f66a1732631a16c2cbd26e67e360c7c46e1cc2e08a277c87f38"
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 SB 993 (2017-2018) — Use tax; collections; trigger for assessment on certain medical services; eliminate. Amends sec. 3f of 1937 PA 94 (MCL 205.93f). TIE BAR WITH: SB 0994'18

## 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://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2018-SEBH-0993.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2018-SEBS-0993.htm)
3. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2018-PA-0174.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/Senate/htm/2018-SIB-0993.htm)

## Votes

- passed; given immediate effect Roll Call # 426 Yeas 107 Nays 1 — **107–1** (pass) · lower
- PASSED ROLL CALL # 312 YEAS 36 NAYS 0 EXCUSED 1 NOT VOTING 0 — **36–0** (pass) · upper

## Sponsors

- 28 — cosponsor (person)
- Jim Stamas — cosponsor (person)
- John Proos — cosponsor (person)
- Kenneth Horn — cosponsor (person)
- Mike Shirkey — cosponsor (person)
- Peter MacGregor — cosponsor (person)
- Wayne Schmidt — cosponsor (person)

## Timeline

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

- **2018-05-10T04:00:00+00:00** INTRODUCED BY SENATOR PETER MACGREGOR `introduction`
- **2018-05-10T04:00:00+00:00** REFERRED TO COMMITTEE ON MICHIGAN COMPETITIVENESS `referral-committee`
- **2018-05-16T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2018-05-16T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2018-05-16T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2018-05-16T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2018-05-16T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2018-05-17T04:00:00+00:00** PASSED ROLL CALL # 312 YEAS 36 NAYS 0 EXCUSED 1 NOT VOTING 0 `passage`
- **2018-05-17T04:00:00+00:00** received on 05/17/2018 `introduction`
- **2018-05-17T04:00:00+00:00** read a first time `reading-1`
- **2018-05-17T04:00:00+00:00** referred to Committee on Michigan Competitiveness `referral-committee`
- **2018-05-23T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2018-05-23T04:00:00+00:00** referred to second reading
- **2018-05-29T04:00:00+00:00** read a second time `reading-2`
- **2018-05-29T04:00:00+00:00** placed on third reading
- **2018-05-29T04:00:00+00:00** placed on immediate passage
- **2018-05-29T04:00:00+00:00** read a third time `reading-3`
- **2018-05-29T04:00:00+00:00** passed; given immediate effect Roll Call # 426 Yeas 107 Nays 1 `passage`
- **2018-05-29T04:00:00+00:00** inserted full title
- **2018-05-29T04:00:00+00:00** returned to Senate
- **2018-05-30T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2018-05-30T04:00:00+00:00** FULL TITLE AGREED TO
- **2018-05-30T04:00:00+00:00** ORDERED ENROLLED
- **2018-06-04T04:00:00+00:00** PRESENTED TO GOVERNOR 5/30/2018 @ 10:32 AM `executive-receipt`
- **2018-06-12T04:00:00+00:00** APPROVED BY GOVERNOR 6/11/2018 @ 9:05 AM `executive-signature`
- **2018-06-12T04:00:00+00:00** FILED WITH SECRETARY OF STATE 6/11/2018 @ 2:12 PM
- **2018-06-12T04:00:00+00:00** ASSIGNED PA 0174'18 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8c53e991-54df-444a-83b5-e9c24901952f`. Confidence: reported (aggregated from official Michigan legislature records).